PartsTable TECHNICAL DATA SHEET

NSN 5310-01-264-7627Government record, cited

Washer, Spring Tension5310-01-264-7627

NSN 5310-01-264-7627 · NIIN 012647627

FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives

Government record, cited

Also searched as 5310-01-264-7627 · 5310012647627 · NIIN 012647627 · 01-264-7627 · FSC 5310 Nuts and Washers · MIL-W-12133/3 · M12133/3-152 · BS S9 134-B

Nearby stock numbers ← 5310-01-264-7626 Washer, Spring Tension · 5310-01-264-7628 Nut, Plain, Plate →

5310-01-264-7627 — Nuts and Washers

Features

Washer,spring Tension — FSC 5310
Hardness Rating: 350.0 VICKERS OR FIRTH DIAMOND PYRAMID MINIMUM AND 380.0 VICKERS OR FIRTH DIAMOND PYRAMID MAXIMUM
Material Document and Classification: ASTM B194,1/4 HARD ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Outside Diameter: 0.300 INCHES MINIMUM AND 0.305 INCHES MAXIMUM IN
Material Thickness: 0.0072 INCHES MINIMUM AND 0.0088 INCHES MAXIMUM IN
Material: COPPER ALLOY 172 OVERALL
Hole Diameter: 0.152 INCHES MINIMUM AND 0.157 INCHES MAXIMUM IN

Identification

NSN: 5310-01-264-7627
NIIN: 012647627
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives

General Description

The Washer,spring Tension, cataloged under National Stock Number 5310-01-264-7627, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 10 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5310-01-264-7627
Item Name	Washer,spring Tension
FSC / FSG	5310 / 53 — Nuts and Washers
Status	ACTIVE
Hardness Rating	350.0 VICKERS OR FIRTH DIAMOND PYRAMID MINIMUM AND 380.0 VICKERS OR FIRTH DIAMOND PYRAMID MAXIMUM
Material Document and Classification	ASTM B194,1/4 HARD ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Outside Diameter	0.300 INCHES MINIMUM AND 0.305 INCHES MAXIMUM IN
Material Thickness	0.0072 INCHES MINIMUM AND 0.0088 INCHES MAXIMUM IN
Material	COPPER ALLOY 172 OVERALL
Hole Diameter	0.152 INCHES MINIMUM AND 0.157 INCHES MAXIMUM IN

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

⇄ Related Items 10

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

5310-01-276-3344 POSSIBLE MATCH

WASHER,SPRING TENSION

Possible match (shared part number)

5310-01-299-7027 POSSIBLE MATCH

WASHER,SPRING TENSION

Possible match (shared part number)

5310-01-299-7028 POSSIBLE MATCH

WASHER,SPRING TENSION

Possible match (shared part number)

5310-01-299-7029 POSSIBLE MATCH

WASHER,SPRING TENSION

Possible match (shared part number)

5310-01-391-2932 POSSIBLE MATCH

WASHER,SPRING TENSION

Possible match (shared part number)

5310-01-394-6042 POSSIBLE MATCH

WASHER,SPRING TENSION

Possible match (shared part number)

5310-01-396-4240 POSSIBLE MATCH

WASHER,SPRING TENSION

Possible match (shared part number)

5310-01-407-0524 POSSIBLE MATCH

WASHER,SPRING TENSION

Possible match (shared part number)

5310-01-407-5772 POSSIBLE MATCH

WASHER,SPRING TENSION

Possible match (shared part number)

5310-01-426-7543 POSSIBLE MATCH

WASHER,SPRING TENSION

Possible match (shared part number)

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
MIL-W-12133/3	4/1 Identification reference U.S. Government activity
M12133/3-152	2/2 Government specification standardization U.S. Government activity
BS S9 134-B	C/1 Advisory reference — outside the item-of-supply concept Bsi Standards Limited

Related Parts

5310-01-276-3344POSSIBLE MATCH

WASHER,SPRING TENSION

5310-01-299-7027POSSIBLE MATCH

WASHER,SPRING TENSION

5310-01-299-7028POSSIBLE MATCH

WASHER,SPRING TENSION

5310-01-299-7029POSSIBLE MATCH

WASHER,SPRING TENSION

5310-01-391-2932POSSIBLE MATCH

WASHER,SPRING TENSION

5310-01-394-6042POSSIBLE MATCH

WASHER,SPRING TENSION

5310-01-396-4240POSSIBLE MATCH

WASHER,SPRING TENSION

5310-01-407-0524POSSIBLE MATCH

WASHER,SPRING TENSION

5310-01-407-5772POSSIBLE MATCH

WASHER,SPRING TENSION

5310-01-426-7543POSSIBLE MATCH

WASHER,SPRING TENSION

Frequently Asked Questions

What is NSN 5310-01-264-7627?

NSN 5310-01-264-7627 is a Washer,spring Tension, classified under FSC 5310, Nuts and Washers. Status: active.

What NSN replaces 5310-01-264-7627?

10 possible matches (shared part number, not a government interchangeability claim): 5310-01-276-3344, 5310-01-299-7027, 5310-01-299-7028. Verify interchangeability with system specifications before substitution.

What are the specifications of 5310-01-264-7627?

Key specifications for 5310-01-264-7627: Overall Height: 0.025 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN; Hardness Rating: 350.0 VICKERS OR FIRTH DIAMOND PYRAMID MINIMUM AND 380.0 VICKERS OR FIRTH DIAMOND PYRAMID MAXIMUM; Material Document and Classification: ASTM B194,1/4 HARD ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.300 INCHES MINIMUM AND 0.305 INCHES MAXIMUM IN. 6 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-264-7627 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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