PartsTable TECHNICAL DATA SHEET

NSN 5310-01-620-4612Government record, cited

Washer, Spring Tension5310-01-620-4612

NSN 5310-01-620-4612 · NIIN 016204612 · Part number C037-L2

Smalley Steel Ring Co. · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 51814

Government record, cited

NSN 5310-01-620-4612 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-620-4612. Manufacturer of record part number: C037-L2.

Also searched as 5310-01-620-4612 · 5310016204612 · NIIN 016204612 · 01-620-4612 · FSC 5310 Nuts and Washers · CAGE 51814 · C037-L2 · HS6259-037

Nearby stock numbers ← 5310-01-620-4583 Nut, Self-Locking, Plate · 5310-01-620-4619 Nut, Plain, Hexagon →

5310-01-620-4612 — Nuts and Washers

Features

Washer,spring Tension — FSC 5310
1 manufacturer part number on file
Manufacturer of record: Smalley Steel Ring Co.

Identification

NSN: 5310-01-620-4612
NIIN: 016204612
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: C037-L2
Manufacturer: Smalley Steel Ring Co.

General Description

The Washer,spring Tension, cataloged under National Stock Number 5310-01-620-4612, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Smalley Steel Ring Co.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5310-01-620-4612
Primary Part Number	C037-L2
Item Name	Washer,spring Tension
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Smalley Steel Ring Co.
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
C037-L2 PRIMARY	Smalley Steel Ring Co. (USA)

Reference documents

Reference	Meaning
HS6259-037	7/2 Vendor item drawing reference The Boeing Company

No interchangeability data on file.

Other items in FSC 5310 — Nuts and Washers

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5310-00-000-0040

5310-00-000-0040 · Item name not on file

5310-00-000-0077

NUT,PLAIN,ROUND

5310-00-000-0079

WASHER,FLAT

5310-00-000-0079

WASHER,FLAT

5310-00-000-1146

5310-00-000-1146 · Item name not on file

5310-00-000-3815

5310-00-000-3815 · Item name not on file

5310-00-000-4532

5310-00-000-4532 · Item name not on file

5310-00-000-4540

5310-00-000-4540 · Item name not on file

Frequently Asked Questions

What is NSN 5310-01-620-4612?

NSN 5310-01-620-4612 is a Washer,spring Tension, manufactured by Smalley Steel Ring Co., classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-620-4612?

NSN 5310-01-620-4612 has 1 manufacturer part number on file: C037-L2 (Smalley Steel Ring Co.).

What are the specifications of C037-L2?

Key specifications for C037-L2: End Item Identification: 7-611115000-1. 0 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-620-4612 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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