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Datasheet. HF91-L-12-E-1 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
3b
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
An element inserted into the fastener,or a design feature,that enables the fastener to effectively resist vibration and rotation.
prevailing torque all metal design
The length of a straight line which passes through the center of that portion used to guide the item and terminates at the circumference.
0.300in.
The length of the pilot,which is the unthreaded portion beyond the thread used to guide the item.
0.223in.
A substance designed to provide a reduction of friction between the two surfaces in contact.
dry film lubricant
The style designation indicating the configuration that most nearly corresponds to the appearance of the nut.
spline (floating)
A measurement of the longest dimension of the nut,in distinction from width.
0.635in. and 0.665in. ⁓43/64"
0.278in. and 0.328in. ⁓21/64"
The shortest straight line between flats,perpendicular to the height.
0.450in. ⁓29/64"
A designation indicating the diameter-pitch combination and the number of threads per measurement scale applied to a series of diameters.
unjf
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
28
A designation that is used for the purpose of general identification of the thread.
0.250in. ⁓1/4"
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 302 flange or steel comp 304 flange or steel comp 305 flange or steel comp 316 flange or steel comp 384 flange
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
ASTM-A-493 assn std 1st material response flange or ASTM-A-493 assn std 2nd material response flange or ASTM-A-493 assn std 3rd material response flange or ASTM-A-493 assn std 4th material response flange or ASTM-A-493 assn std 5th material response flange
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.
cadmium flange and chromate flange
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.
QQ-P-416, TY2, CL2 fed spec single treatment response flange
Answers.
Steel comp 302 flange or steel comp 304 flange or steel comp 305 flange or steel comp 316 flange or steel comp 384 flange
28
Right-hand
3b
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 5310-01-450-9830 NUT,SELF-LOCKING,SPLINE
cadmium flange surface treated 28 thread quantity per inch right-hand 3b thread class
- NIIN
- 014509830
- NIIN Date
- 12/01/97
- Schedule B
- Name Code
- 15893
- FIIG
- A021A0
- QUP
- Historical Price
- $97.50 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
Other Part Numbers Parts with same form, fit, and function by other manufacturers
| 1. | 3D0082-4E1 | Cage 88277 |
Major End Users Countries and entities
- - Department of The Air Force
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HF91-L-12-E-1 / Nut,self-locking,splineWhat is the formal definition of this item?
A nut having an externally splined sleeve, which holds it in position when forced into a hole of slightly smaller diameter. an integral feature is incorporated for locking.
