Self-Locking Hexagon Nut P/N MS21083N6

Specifications

Hardness rating

Rockwell C Maximum 35.0

Nominal thread size

Inches 0.138

Countersink angle

Nut Degrees Minimum 88.0

Bearing surface type

Chamfered or Washer Faced

Thread series

Unjc

Thread quantity per inch

32

Thread class

3B

Thread direction

Right-Hand

Locking feature

Prevailing Torque with Nonmetallic Insert

Lubrication

Soluble Lubricant

Nut height

0.141 in maximum

Width across flats

0.305–0.313 in

Temp rating

Fahrenheit Maximum 350.0

Material

Locking Insert Plastic Polyamide Nylon

Material

Nut Steel

Surface treatment

Overall Except Insert Cadmium and Chromate

Surface treatment document and classification

Overall Except Insert Fed Spec All Treatment Responses QQ--416,TY 2,CL 3

Bearing surface finish

Microinches 125.0

From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.

Cross-reference part numbers

MS21083N6 NASM25027 890626-6 10049037-9 427254 854583-00 F22NTM-632 24NTM62 F22NTM62 MS21083N06 AN364-632A 422294-24 MS20364-632 908120K1 854583

Also referenced as

457-6247

Older, superseded, advisory or drawing numbers the federal catalog associates with this NSN — the ones in an old manual. They find the item; confirm the current part number when you order.

Shown for identification only. SECO can quote against any of these numbers.

Logistics data

Source of supply	SMS DLA Land and Maritime, Columbus, Ohio
Acquisition advice code	D DLA/GSA stocked — stocked by DLA or GSA and issued from central stock
Unit of issue	HD hundred
Demilitarization code	A Demilitarization not required — non-munitions-list item
Controlled inventory code	U Unclassified
Hazardous material indicator	N No hazardous material

Source: public FLIS/PUB LOG cataloging data.

Why buy from SECO

These quantities sit on our own shelves — we are a stocking supplier, not a broker sourcing after you order. Condition-coded stock, formal quotes with NSN/PN on the paperwork, POs and GPC welcome, fast U.S. shipping.

In business since 1951 · 30,000+ contracts completed · about SECO & our policies · more questions answered

FAQ

What is NSN 5310-00-905-8451?
NSN 5310-00-905-8451 (5310009058451) — Self-Locking Hexagon Nut: SECO Parts has 319 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for self-locking hexagon nut in federal supply class 5310 (Nuts and Washers).

Is NSN 5310-00-905-8451 available?
SECO Parts has 319 in stock in Augusta, GA — order or request a quote below.

How much does NSN 5310-00-905-8451 cost?
SECO quotes NSN 5310-00-905-8451 on request, usually the same business day.

What does NSN 5310-00-905-8451 fit?
The federal catalog lists NSN 5310-00-905-8451 as used on: Multiple Launch Rocket System (MLRS); A4 Bradley Fighting Vehicle; A3 Bradley Fighting Vehicle.

What part numbers cross-reference to NSN 5310-00-905-8451?
Part numbers that cross-reference this NSN include MS21083N6, NASM25027, 890626-6, 10049037-9, 427254, 854583-00, F22NTM-632, 24NTM62. It is also referenced by older, superseded or advisory numbers: 457-6247. SECO can quote against any of them.