Price Quote Get an up to date pricing and availability quote for this product. Order online or over the phone.
Quality Commitment
Serving our customers with quality and safety first.
- AS9120 Certified
- Audited supply chain
- ITAR Registered
- DDTC Registered
- HAZMAT Certified
- Customer service objectives
- Every product 100% inspected
Datasheet. 91581A355 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
2
The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.
RIGHT-Hand
The style designation indicating the configuration that most nearly corresponds to the appearance of the nut.
hexagon
0.203in. ⁓13/64"
The national stock number or the identification information of the end equipment for which the item is a part.
2540-01-566-6751; gunners seat and restraint system
The shortest straight line between flats,perpendicular to the height.
0.437in. ⁓7/16"
A designation indicating the diameter-pitch combination and the number of threads per measurement scale applied to a series of diameters.
unc
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
32.0 rockwell c
The name assigned to the item by the government agency or commercial organization controlling the design of the item.
1/4-20 nylon lock nut
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.
finish: black LUSTER-Coated; inch thread size: 0.250 INCH-20; astm specifications: astm B117; note: coating does not interfere with thread enganement; withstands salt spray of 500 hours; nuts shorter than 4in. are fully threaded; nuts longer than 4in. are not continuously threaded
The chemical compound or mechanical mixture properties of which the item is fabricated.
plastic nylon locking insert
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel except insert
Answers.
Steel except insert
Plastic nylon locking insert
Right-hand
2
Schedule B number: 8710000090
nmfc 093486
Parts of armored fighting vehicles,motorized, whether or not fitted with weapons
FSC 5310 ⁓ Nuts and washers
Note-nuts and washers, including specially designed, are to be classified in this fsc. a. nuts are a small metal block made in a variety of shapes such as square and hexagonal which is drilled and internally threaded. b. washers are a perforated piece of metal, leather, or other materials of various shapes or forms. they are used primarily as a seat for a bolt, nut, screw, rivet or nail to distribute pressure and prevent endwise motion over an area and/or to prevent movement between two parts by means of restraining features created by the shape of its edges.
Excluding bearing thrust washers (fsc 3120); shims (fsc 5365); ring spacers (fsc 5365); plate spacers (fsc 5365); lock rings (fsc 5365).
NSN 5310-01-570-1858 NUT,SELF-LOCKING,HEXAGON
Used on 2540-01-566-6751;gunners seat and restraint system. finish: black luster-coated; inch thread size: 0.250 inch-20; astm specifications: astm B117; note: coating does not interfere with thread enganement; withstands salt spray of 500 hours; nuts shorter than 4" are fully threaded; nuts longer than 4" are not continuously threaded 1/4-20 nylon lock nut right-hand 2 thread class
- NIIN
- 015701858
- NIIN Date
- 12/17/08
- Schedule B
- 8710000090
- Name Code
- 05277
- FIIG
- A021A0
- QUP
- Historical Price
- $2.88 EA
- DEMIL / ITAR
- Uncontrolled item (Code A)
- Hazmat
- No hazard information available from HMIRS.
- MSDS
- N/A
- Precious Metals
- No precious metals
- Enviromental
- N/A
- Electrostatic ESD & EMI
- No ESD or EMI sensitivity
Major End Users Countries and entities
- - Department of The Army
- - Department of The Navy
- - U.s. Marine Corps
- - Department of The Air Force
Availability for 91581A355 A member of our team will provide you with a price and availability quote
Request a Quote »Shipping Information
- Special Handling
- Other or no special handling required (sh)
- LTL (less than a truck load rating)
- Rating variable
- LCL (less than a car load rating)
- Unknown
- Special Cargo
- No special type of cargo code applicable
- Air Freight (Minimum cargo door size required)
- Shipment is not a consolidation and does not exceed 84 inches in any dimension.
- Customs Requirement Classification
- Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater
- Commodity (for shipments via water)
- Bolts or nuts (iron or steel),(less than 35 feet)
- NMFC (national motor freight code)
- 093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3)
- UFC (universal freight code)
- 48950
Similar by Design Other nuts with similar characteristics
Nothing similar to this part number was found in our inventory
91581A355 / Nut,self-locking,hexagonWhat is the formal definition of this item?
A nut having a flat bottom and 6 sides. an integral feature is incorporated for locking on the threads of a mating member. excludes nut (1), self-locking, cap.
