Self-Locking Hexagon Nut P/N MS21045-8

Specifications

Thread direction

Right-Hand

Nominal thread size

Inches 0.500

Countersink angle

Nut Degrees Minimum 88.0

Bearing surface type

Chamfered

Bearing surface finish

Microinches 125.0

Thread class

3B

Lubrication

Soluble Lubricant

Locking feature

Prevailing Torque All Metal Design

Temp rating

Fahrenheit Maximum 450.0

Nut height

0.575–0.610 in

Material

Overall Steel

Thread series

Unified National Joint Fine (Unjf)

Surface treatment

Overall Cadmium

Surface treatment document and classification

Overall Fed Spec Single Treatment Response QQ--416,Tye 2,Class 3

Thread quantity per inch

20

Width across flats

0.741–0.752 in

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

Cross-reference part numbers

MS21045-8 S862TN5-820 27FH-820 YE3184 H55-8CW F52MXE-820 F1801-080

Also referenced as

424830-2 525-633-90001

Older, superseded, advisory or drawing numbers the federal catalog associates with this NSN — the ones in an old manual.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 5310-00-062-4954?
NSN 5310-00-062-4954 (5310000624954) — Self-Locking Hexagon Nut: SECO Parts has 4,725 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 5310-00-062-4954 available?
SECO Parts has 4725 in stock in Augusta, GA — order or request a quote below.

How much does NSN 5310-00-062-4954 cost?
SECO quotes NSN 5310-00-062-4954 on request, usually the same business day.

What part numbers cross-reference to NSN 5310-00-062-4954?
Part numbers that cross-reference this NSN include MS21045-8, S862TN5-820, 27FH-820, YE3184, H55-8CW, F52MXE-820, F1801-080. It is also referenced by older, superseded or advisory numbers: 424830-2, 525-633-90001. SECO can quote against any of them.