NSN 5310-00-007-3056 · NIIN 000073056 · Part number 189388
Woodward, Inc. · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 31361
Government record, cited
NSN 5310-00-007-3056 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-007-3056. Manufacturer of record part number: 189388.
Also searched as5310-00-007-3056 ·
5310000073056 ·
NIIN 000073056 ·
00-007-3056 ·
FSC 5310 Nuts and Washers · CAGE 31361 · 189388 · 188042 · 03040-79
The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-007-3056, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Woodward, Inc.. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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
5310-00-007-3056
Primary Part Number
189388
Item Name
Nut,plain,hexagon
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Woodward, Inc.
Status
ACTIVE
Width Across Flats
0.438 INCHES NOMINAL IN
Thread Series
UNF
Thread Direction
RIGHT-HAND
Nominal Thread Size
0.250 INCHES IN
Nut Height
0.150 INCHES NOMINAL IN
Nut Style
HEXAGON
Thread Class
2B
Thread Quantity Per Inch
28
Material
STEEL OVERALL
Bearing Surface Type
WASHER FACED
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 Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3120-00-129-9206188042POSSIBLE MATCH
BEARING,WASHER,THRUST
Possible match (shared part number)Cummins Inc.
5999-01-372-4609189-388POSSIBLE MATCH
CAP,ELECTRICAL
Possible match (shared part number)Cablecraft Motion Controls Llc Dba Tuthill Controls Group
3130-01-504-8332189388POSSIBLE MATCH
BEARING UNIT,PLAIN
Possible match (shared part number)Northrop Grumman Systems Corporation
NSN 5310-00-007-3056 is a Nut,plain,hexagon, manufactured by Woodward, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-00-007-3056?
NSN 5310-00-007-3056 has 2 manufacturer part numbers on file: 189388 (Woodward, Inc.), 03040-79 (Woodward, Inc.).
What NSN replaces 5310-00-007-3056?
4 possible matches (shared part number, not a government interchangeability claim): 3120-00-129-9206, 5999-01-372-4609, 3130-01-504-8332. Verify interchangeability with system specifications before substitution.
What are the specifications of 189388?
Key specifications for 189388: Width Across Flats: 0.438 INCHES NOMINAL IN; Thread Series: UNF; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.250 INCHES IN. 10 specifications are documented in the U.S. Government catalog.
Is NSN 5310-00-007-3056 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.