PartsTable TECHNICAL DATA SHEET

NSN 5310-01-617-1004Government record, cited

Washer, Flat5310-01-617-1004

NSN 5310-01-617-1004 · NIIN 016171004 · Part number K-4804854 PT 20

Timken Gears & Services Inc. Div Philadelphia Gear · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 17454

Government record, cited

NSN 5310-01-617-1004 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-617-1004. Manufacturer of record part number: K-4804854 PT 20.

Also searched as 5310-01-617-1004 · 5310016171004 · NIIN 016171004 · 01-617-1004 · FSC 5310 Nuts and Washers · CAGE 17454 · K-4804854 PT 20 · 873E192 ITEM 73

Nearby stock numbers ← 5310-01-617-0992 Washer, Lock · 5310-01-617-1036 Washer, Flat →

5310-01-617-1004 — Nuts and Washers

Features

Washer,flat — FSC 5310
2 manufacturer part numbers on file
Manufacturer of record: Timken Gears & Services Inc. Div Philadelphia Gear

Identification

NSN: 5310-01-617-1004
NIIN: 016171004
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: K-4804854 PT 20
Manufacturer: Timken Gears & Services Inc. Div Philadelphia Gear

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-617-1004, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Timken Gears & Services Inc. Div Philadelphia Gear. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Washer,flat
FSC / FSG	5310 — Nuts and Washers (FSG 53)
Manufacturers	General Electric Company (CAGE 01289); Timken Gears & Services Inc. Div Philadelphia Gear (CAGE 17454)

Technical Specifications

Parameter	Value
NSN	5310-01-617-1004
Primary Part Number	K-4804854 PT 20
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Timken Gears & Services Inc. Div Philadelphia Gear
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
873E192 ITEM 73	General Electric Company (USA)
K-4804854 PT 20 PRIMARY	Timken Gears & Services Inc. Div Philadelphia Gear (USA)

Reference documents

Reference	Meaning
K-4804854 PT 20	D/9 Drawing number reference only General Electric Company
K-4804854 PT 20	5/9 Secondary reference General Electric 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 5310-01-617-1004?

NSN 5310-01-617-1004 is a Washer,flat, manufactured by Timken Gears & Services Inc. Div Philadelphia Gear, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-617-1004?

NSN 5310-01-617-1004 has 2 manufacturer part numbers on file: 873E192 ITEM 73 (General Electric Company), K-4804854 PT 20 (Timken Gears & Services Inc. Div Philadelphia Gear).

Is NSN 5310-01-617-1004 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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