NSN 5310-01-424-1379 · NIIN 014241379 · Part number 528-7378786 PC49
Naval Sea Systems Command · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 53711
Government record, cited
NSN 5310-01-424-1379 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-424-1379. Manufacturer of record part number: 528-7378786 PC49.
Width Across Flats: 1.088 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
Thread Series: UNIFIED NATIONAL COARSE (UNC)
Thread Direction: RIGHT-HAND
Nominal Thread Size: 0.750 INCHES IN
Nut Height: 0.617 INCHES MINIMUM AND 0.665 INCHES MAXIMUM IN
Nut Style: HEXAGON
Thread Class: 2B
Identification
NSN: 5310-01-424-1379
NIIN: 014241379
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 528-7378786 PC49
Manufacturer: Naval Sea Systems Command
General Description
The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-424-1379, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 12 items share a part number with this NSN in the catalog (possible match — not a government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
5310-01-424-1379
Primary Part Number
528-7378786 PC49
Item Name
Nut,plain,hexagon
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Width Across Flats
1.088 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
Thread Series
UNIFIED NATIONAL COARSE (UNC)
Thread Direction
RIGHT-HAND
Nominal Thread Size
0.750 INCHES IN
Nut Height
0.617 INCHES MINIMUM AND 0.665 INCHES MAXIMUM IN
Nut Style
HEXAGON
Thread Class
2B
Thread Quantity Per Inch
10
Material
STEEL OVERALL
Bearing Surface Type
CHAMFERED
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 Items12
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5310-01-468-5753528-7378786 PC82POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)Naval Sea Systems Command
5310-01-468-5817528-7378786 PC80POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)Naval Sea Systems Command
5310-01-468-5824528-7378786 PC88POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)Naval Sea Systems Command
5310-01-468-6174528-7378786 PC94POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)Naval Sea Systems Command
5310-01-468-6183528-7378786 PC96POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)Naval Sea Systems Command
5310-01-468-6645PN-11POSSIBLE MATCH
NUT,SELF-LOCKING,ROUND
Possible match (shared part number)Whittet-Higgins Company
5310-01-468-6661PN-10POSSIBLE MATCH
NUT,SELF-LOCKING,ROUND
Possible match (shared part number)Whittet-Higgins Company
5310-01-468-7152PW-10POSSIBLE MATCH
WASHER,KEY
Possible match (shared part number)Whittet-Higgins Company
5310-01-468-7188PW-11POSSIBLE MATCH
WASHER,KEY
Possible match (shared part number)Whittet-Higgins Company
5310-01-468-75957378786 PC93POSSIBLE MATCH
NUT,PLAIN,HEXAGON
Possible match (shared part number)Naval Sea Systems Command
C/1Advisory reference — outside the item-of-supply concept
Naval Sea Systems Command
476-01138 ITEM 45
D/9Drawing number reference only
Johnson Controls Navy Systems, Llc
B18.2.2
5/1Secondary reference
U.S. Government activity
021-00506
5/9Secondary reference
Johnson Controls Navy Systems, Llc
Related Parts
5310-01-468-5753POSSIBLE MATCH
WASHER,FLAT
528-7378786 PC82
5310-01-468-5817POSSIBLE MATCH
WASHER,FLAT
528-7378786 PC80
5310-01-468-5824POSSIBLE MATCH
WASHER,FLAT
528-7378786 PC88
5310-01-468-6174POSSIBLE MATCH
WASHER,FLAT
528-7378786 PC94
5310-01-468-6183POSSIBLE MATCH
WASHER,FLAT
528-7378786 PC96
5310-01-468-6645POSSIBLE MATCH
NUT,SELF-LOCKING,ROUND
PN-11
5310-01-468-6661POSSIBLE MATCH
NUT,SELF-LOCKING,ROUND
PN-10
5310-01-468-7152POSSIBLE MATCH
WASHER,KEY
PW-10
5310-01-468-7188POSSIBLE MATCH
WASHER,KEY
PW-11
5310-01-468-7595POSSIBLE MATCH
NUT,PLAIN,HEXAGON
7378786 PC93
5310-01-468-7600POSSIBLE MATCH
WASHER,FLAT
528-7378786 PC95
5310-01-468-8355POSSIBLE MATCH
WASHER,FLAT
528-7378786 PC102
Frequently Asked Questions
What is NSN 5310-01-424-1379?
NSN 5310-01-424-1379 is a Nut,plain,hexagon, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-424-1379?
NSN 5310-01-424-1379 has 3 manufacturer part numbers on file: 476-01140 ITEM 45 (Johnson Controls Navy Systems, Llc), 528-7378786 PC49 (Naval Sea Systems Command), 021-00506-000 (Johnson Controls Navy Systems, Llc).
What NSN replaces 5310-01-424-1379?
12 possible matches (shared part number, not a government interchangeability claim): 5310-01-468-5753, 5310-01-468-5817, 5310-01-468-5824. Verify interchangeability with system specifications before substitution.
What are the specifications of 528-7378786 PC49?
Key specifications for 528-7378786 PC49: Width Across Flats: 1.088 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.750 INCHES IN. 10 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-424-1379 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.