Self-Locking Hexagon Nut P/N ERN215

Specifications

Countersink angle

Nut Degrees Nominal 88.0

Nominal thread size

Inches 0.312

Thread class

3B

Thread direction

Right-Hand

Locking feature

Prevailing Torque All Metal Design

Lubrication

Soluble Lubricant

Nut height

0.271–0.360 in

Width across flats

0.492–0.502 in

Temp rating

Fahrenheit Nominal 450.0

Thread series

Unified National Joint Fine (Unjf)

Thread quantity per inch

24

Surface treatment

Overall Cadmium and Chromate

Surface treatment document and classification

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

Material

Overall Steel

Bearing surface type

Chamfered or Washer Faced

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

ERN215 H55-5CW 853848-00 MS21045-5 27FH-524 YE3181 F1801-054

Also referenced as

AN365-524C 903386C1 442826 MS20365-524C AN363-524 55746

Older, superseded, advisory or drawing numbers the federal catalog associates with this NSN — the ones in an old manual.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 5310-00-982-4912?
NSN 5310-00-982-4912 (5310009824912) — Self-Locking Hexagon Nut: SECO Parts has 1,372 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 5310-00-982-4912 available?
SECO Parts has 1372 in stock in Augusta, GA — order or request a quote below.

How much does NSN 5310-00-982-4912 cost?
SECO quotes NSN 5310-00-982-4912 on request, usually the same business day.

What does NSN 5310-00-982-4912 fit?
The federal catalog lists NSN 5310-00-982-4912 as used on: Multiple Launch Rocket System (MLRS).

What part numbers cross-reference to NSN 5310-00-982-4912?
Part numbers that cross-reference this NSN include ERN215, H55-5CW, 853848-00, MS21045-5, 27FH-524, YE3181, F1801-054. It is also referenced by older, superseded or advisory numbers: AN365-524C, 903386C1, 442826, MS20365-524C, AN363-524, 55746. SECO can quote against any of them.