Self-Locking Hexagon Nut P/N MS21044N04

Specifications

Thread quantity per inch

40

Nominal thread size

Inches 0.112

Thread series

Unified National Coarse (UNC)

Bearing surface type

Chamfered or Washer Faced

Width across flats

0.243–0.251 in

Thread direction

Right-Hand

Surface treatment

Nut Cadmium

Surface treatment document and classification

Nut Fed Spec Single Treatment Response QQ--416,TY 2,CL 3

Countersink angle

Nut Degrees Nominal 88.0

Locking feature

Prevailing Torque with Nonmetallic Insert

Counterbore diameter

Nut Inches Minimum 0.116 and Inches Maximum 0.156

Material

Locking Insert Plastic Polyamide Nylon

Material

Nut Steel

Thread class

3B

Bearing surface finish

Microinches 125.0

Temp rating

Fahrenheit Nominal 250.0

Lubrication

Soluble Lubricant

Nut height

0.133–0.157 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

MS21044N04 F22NM-440 B4525-320-16 272 532 739 142200440 4158067-015 4158067-15 190734 0878 F22NM-40 1230122 NASM25027 MIL-N-25027 AN365-440 422204-8 422294-8 MS20365-440A Z00.0114417 E21301-01 Z00.N5402337004 2533408-103 870121

Also referenced as

525-628-90451 22NM40 69510-28 NAS1021N04 946536-1600 AN635-440 3M239N40 MS20365-440 AN365-440A MS20470B3-3 7024420P1 10116547

Older, superseded, advisory or drawing numbers the federal catalog associates with this NSN — the ones in an old manual.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.

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FAQ

What is NSN 5310-00-088-0551?
NSN 5310-00-088-0551 (5310000880551) — Self-Locking Hexagon Nut: SECO Parts has 4 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 5310-00-088-0551 available?
SECO Parts has 4 in stock in Augusta, GA — order or request a quote below.

How much does NSN 5310-00-088-0551 cost?
SECO quotes NSN 5310-00-088-0551 on request, usually the same business day.

What does NSN 5310-00-088-0551 fit?
The federal catalog lists NSN 5310-00-088-0551 as used on: Tactical Data System, AN/UYA-4(V), Aircraft, ( AC-130H, MC-130H, EC-; Multiple Launch Rocket System (MLRS).

What part numbers cross-reference to NSN 5310-00-088-0551?
Part numbers that cross-reference this NSN include MS21044N04, F22NM-440, B4525-320-16, 272 532 739, 142200440, 4158067-015, 4158067-15, 190734. It is also referenced by older, superseded or advisory numbers: 525-628-90451, 22NM40, 69510-28, NAS1021N04, 946536-1600, AN635-440. SECO can quote against any of them.