PartsTable TECHNICAL DATA SHEET

NSN 5310-01-178-6637Government record, cited

Nut, Disk, Valve5310-01-178-6637

NSN 5310-01-178-6637 · NIIN 011786637

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

Government record, cited

Also searched as 5310-01-178-6637 · 5310011786637 · NIIN 011786637 · 01-178-6637 · FSC 5310 Nuts and Washers · 803-4384539-X-031 · 803-4384539 · 810-4384539 PIECE 31 · 803-4384539 PIE

Nearby stock numbers ← 5310-01-178-6636 Nut, Impeller · 5310-01-178-7048 Nut, Crosshead →

5310-01-178-6637 — Nuts and Washers

Features

Nut,disk,valve — FSC 5310
General Characteristics Item Description: NICKEL ALUMINUM BRONZE,QQ-C-465,ALLOY 632M; 5.000 IN. DIA OF FLANGED END; 2.000 IN. ID; 4 HOLES ON FLANGE EQUALLY SPACED ON 4.375 IN. BOLT CIRCLE DIA; 0.7/16 IN. DIA OF HOLES; BUTTRESS THD 3.818 IN. DIA,0.250 IN. BETWEEN TEETH,RH MALE THD; 3.000 IN. LG OF NUT IN

Identification

NSN: 5310-01-178-6637
NIIN: 011786637
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives

General Description

The Nut,disk,valve, cataloged under National Stock Number 5310-01-178-6637, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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	5310-01-178-6637
Item Name	Nut,disk,valve
FSC / FSG	5310 / 53 — Nuts and Washers
Status	ACTIVE
General Characteristics Item Description	NICKEL ALUMINUM BRONZE,QQ-C-465,ALLOY 632M; 5.000 IN. DIA OF FLANGED END; 2.000 IN. ID; 4 HOLES ON FLANGE EQUALLY SPACED ON 4.375 IN. BOLT CIRCLE DIA; 0.7/16 IN. DIA OF HOLES; BUTTRESS THD 3.818 IN. DIA,0.250 IN. BETWEEN TEETH,RH MALE THD; 3.000 IN. LG OF NUT 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 5

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

4820-01-211-5341803-4384539 PIECE 123 POSSIBLE MATCH

ARM,VALVE

Possible match (shared part number)Naval Ship Systems Command

4820-01-281-5945803-4384539 PIECE 20,26 POSSIBLE MATCH

CONNECTING ROD AND BEARING ASSEM

Possible match (shared part number)Naval Ship Systems Command

4820-01-281-5947803-4384539-201 POSSIBLE MATCH

TEST FIXTURE,VALVE

Possible match (shared part number)Naval Ship Systems Command

4820-01-281-5948803-4384539 PIECE 207-224 POSSIBLE MATCH

BALL HANDLING TOOL CASE ASSEMBLY

Possible match (shared part number)Naval Ship Systems Command

3010-01-292-571276553-78X14 PIECE 4AND5 POSSIBLE MATCH

COUPLING,SHAFT,RIGID

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

Cross-Reference Index

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

Reference documents

Reference	Meaning
803-4384539-X-031	3/2 Design control — primary reference U.S. Government activity
803-4384539	D/9 Drawing number reference only U.S. Government activity
810-4384539 PIECE 31	5/9 Secondary reference U.S. Government activity
803-4384539 PIE	C/1 Advisory reference — outside the item-of-supply concept Naval Inventory Control Point Mechanicsburg

Related Parts

4820-01-211-5341POSSIBLE MATCH

ARM,VALVE

803-4384539 PIECE 123

4820-01-281-5945POSSIBLE MATCH

CONNECTING ROD AND BEARING ASSEM

803-4384539 PIECE 20,26

4820-01-281-5947POSSIBLE MATCH

TEST FIXTURE,VALVE

803-4384539-201

4820-01-281-5948POSSIBLE MATCH

BALL HANDLING TOOL CASE ASSEMBLY

803-4384539 PIECE 207-224

3010-01-292-5712POSSIBLE MATCH

COUPLING,SHAFT,RIGID

76553-78X14 PIECE 4AND5

Frequently Asked Questions

What is NSN 5310-01-178-6637?

NSN 5310-01-178-6637 is a Nut,disk,valve, classified under FSC 5310, Nuts and Washers. Status: active.

What NSN replaces 5310-01-178-6637?

5 possible matches (shared part number, not a government interchangeability claim): 4820-01-211-5341, 4820-01-281-5945, 4820-01-281-5947. Verify interchangeability with system specifications before substitution.

What are the specifications of 5310-01-178-6637?

Key specifications for 5310-01-178-6637: General Characteristics Item Description: NICKEL ALUMINUM BRONZE,QQ-C-465,ALLOY 632M; 5.000 IN. DIA OF FLANGED END; 2.000 IN. ID; 4 HOLES ON FLANGE EQUALLY SPACED ON 4.375 IN. BOLT CIRCLE DIA; 0.7/16 IN. DIA OF HOLES; BUTTRESS THD 3.818 IN. DIA,0.250 IN. BETWEEN TEETH,RH MALE THD; 3.000 IN. LG OF NUT IN. 1 specification is documented in the U.S. Government catalog.

Is NSN 5310-01-178-6637 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.

PartsTable Design LLC · partstable.com