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Datasheet. 42731-52 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
2a
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
A designation indicating the diameter-pitch combination and the number of threads per measurement scale applied to a series of diameters.
acme
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
13
A designation that is used for the purpose of general identification of the thread.
0.500in. ⁓1/2"
The master requirement codes of those requirements which are technically critical by reason of tolerance,fit,performance,or other characteristics which affect identification of the item.
zzzy
Indicates the type of bearing surface.
flat
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
astm A-194, cl 2h assn std single material response
A feature of the item of supply which must be specifically recorded when the reference number covers a range of items.
material controlled iaw navsea 0948-LP-045-7010 material control standard for level i items
Answers.
1EA
Steel
13
Right-hand
2a
Schedule B number: 7318160000
nmfc 093470
Nuts of iron or steel
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 5310-01-144-3917 NUT,PLAIN,HEXAGON
13 thread quantity per inch right-hand 2a thread class
- NIIN
- 011443917
- NIIN Date
- 12/20/82
- Schedule B
- 7318160000
- Name Code
- 01857
- FIIG
- A021A0
- Item Weight
- 0.100lbs
- Item Dimensions
- 35 X 30 X 10
- QUP
- 1
- Historical Price
- $155.00 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. | 1/2-13 UNC-2B,TYPE 1 | Cage 35795 |
| 2. | 24573N PIECE 22 | Cage 35795 |
| 3. | ER 27332 | Cage 35795 |
| 4. | MIL-DTL-1222,ASTM-A194,GR7 | Cage 35795 |
| 5. | 7131452970L | Cage 35795 |
| 6. | 24573N PIECE 22L1 | Cage 03950 |
| 7. | 7131452970LL1 | Cage 03950 |
| 8. | 42731-52L1 | Cage 03950 |
| 9. | MIL-DTL-1222 TYPE IL1 | Cage 03950 |
| 10. | 1/2-13UNC-2B ASTM-A194 GRADE 7 | Cage 81349 |
| 11. | MIL-DTL-1222 TYPE I | Cage 81349 |
| 12. | 1/2-13UNC-2B ASTM-A194 GRADE 7L1 | Cage 03950 |
Major End Users Countries and entities
- - Department of The Navy
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- Special Handling
- Other or no special handling required (sh)
- LTL (less than a truck load rating)
- 70.0
- 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)
- Metal hardware
- NMFC (national motor freight code)
- 093470 BOLTS/NUTS I/S
- UFC (universal freight code)
- 48940
Similar by Design Other nuts with similar characteristics
Nothing similar to this part number was found in our inventory
42731-52 / Nut,plain,hexagonWhat is the formal definition of this item?
A nut, flat on top and bottom having 6 flat sides. for items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. see also locknut, tube fitting. for items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)
