NSN 5310-01-247-9382 · NIIN 012479382 · Part number B3-48
Roller Bearing Co of America, Inc Div Pic Design · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 00141
Government record, cited
NSN 5310-01-247-9382 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-247-9382. Manufacturer of record part number: B3-48.
Also searched as5310-01-247-9382 ·
5310012479382 ·
NIIN 012479382 ·
01-247-9382 ·
FSC 5310 Nuts and Washers · CAGE 00141 · B3-48
Overall Diameter: 0.173 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN
Cross-Sectional Shape Style: RECTANGULAR
Surface Treatment: PASSIVATE OVERALL
Peripheral Shape Style: ROUND
Material: STEEL CORROSION RESISTING OVERALL
Center Hole Shape Style: ROUND
Hole Diameter: 0.123 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN
Identification
NSN: 5310-01-247-9382
NIIN: 012479382
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: B3-48
Manufacturer: Roller Bearing Co of America, Inc Div Pic Design
General Description
The Washer,flat, cataloged under National Stock Number 5310-01-247-9382, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Roller Bearing Co of America, Inc Div Pic Design. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 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
5310-01-247-9382
Primary Part Number
B3-48
Item Name
Washer,flat
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Roller Bearing Co of America, Inc Div Pic Design
Status
ACTIVE
Overall Diameter
0.173 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN
Cross-Sectional Shape Style
RECTANGULAR
Surface Treatment
PASSIVATE OVERALL
Peripheral Shape Style
ROUND
Material
STEEL CORROSION RESISTING OVERALL
Center Hole Shape Style
ROUND
Hole Diameter
0.123 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN
Thickness
0.020 INCHES NOMINAL 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 Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
8455-01-389-3511POSSIBLE MATCH
INSIGNIA,GRADE,ENLISTED PERSONNE
Possible match (shared part number)
4520-01-418-9784B348POSSIBLE MATCH
HEATING ELEMENT,ELECTRICAL,NONIM
Possible match (shared part number)Better Engineering Manufacturing Inc
3020-01-438-871635B48 1-1/2POSSIBLE MATCH
SPROCKET WHEEL
Possible match (shared part number)Diamond Chain Co Div of Amsted Industries Inc
5930-01-486-1425B348POSSIBLE MATCH
SWITCH,FLOW
Possible match (shared part number)Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
6120-01-556-8009B-348POSSIBLE MATCH
TRANSFORMER,POWER
Possible match (shared part number)Beta Transformer Technology Llc
Roller Bearing Co of America, Inc Div Pic Design (USA)
Related Parts
8455-01-389-3511POSSIBLE MATCH
INSIGNIA,GRADE,ENLISTED PERSONNE
4520-01-418-9784POSSIBLE MATCH
HEATING ELEMENT,ELECTRICAL,NONIM
B348
3020-01-438-8716POSSIBLE MATCH
SPROCKET WHEEL
35B48 1-1/2
5930-01-486-1425POSSIBLE MATCH
SWITCH,FLOW
B348
6120-01-556-8009POSSIBLE MATCH
TRANSFORMER,POWER
B-348
Frequently Asked Questions
What is NSN 5310-01-247-9382?
NSN 5310-01-247-9382 is a Washer,flat, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-247-9382?
NSN 5310-01-247-9382 has 1 manufacturer part number on file: B3-48 (Roller Bearing Co of America, Inc Div Pic Design).
What NSN replaces 5310-01-247-9382?
5 possible matches (shared part number, not a government interchangeability claim): 8455-01-389-3511, 4520-01-418-9784, 3020-01-438-8716. Verify interchangeability with system specifications before substitution.
What are the specifications of B3-48?
Key specifications for B3-48: Overall Diameter: 0.173 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN; Cross-Sectional Shape Style: RECTANGULAR; Surface Treatment: PASSIVATE OVERALL; Peripheral Shape Style: ROUND. 8 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-247-9382 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.