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NSN 5310-01-648-9565Government record, cited
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Washer, Concave5310-01-648-9565

NSN 5310-01-648-9565 · NIIN 016489565 · Part number JSFW19P3B
Monadnock Company, the Dba Lisi Aerospace · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 60119
Government record, cited
NSN 5310-01-648-9565 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-648-9565. Manufacturer of record part number: JSFW19P3B.
Also searched as  5310-01-648-9565 · 5310016489565 · NIIN 016489565 · 01-648-9565 · FSC 5310 Nuts and Washers · CAGE 60119 · JSFW19P3B · JSFW19
Nearby stock numbers  ·
NUT + WASHER
5310-01-648-9565 — Nuts and Washers
Features
  • Washer,concave — FSC 5310
  • 2 manufacturer part numbers on file
  • Manufacturer of record: Monadnock Company, the Dba Lisi Aerospace
Identification
  • NSN: 5310-01-648-9565
  • NIIN: 016489565
  • FSC: 5310 — Nuts and Washers
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: JSFW19P3B
  • Manufacturer: Monadnock Company, the Dba Lisi Aerospace
General Description

The Washer,concave, cataloged under National Stock Number 5310-01-648-9565, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Monadnock Company, the Dba Lisi Aerospace. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts
Item NameWasher,concave
FSC / FSG5310 — Nuts and Washers (FSG 53)
ManufacturersMonadnock Company, the Dba Lisi Aerospace (CAGE 60119); Sps Technologies, Llc Dba PB Fasteners (CAGE 56878)
Technical Specifications
ParameterValue
NSN5310-01-648-9565
Primary Part NumberJSFW19P3B
Item NameWasher,concave
FSC / FSG5310 / 53 — Nuts and Washers
ManufacturerMonadnock Company, the Dba Lisi Aerospace
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5310-01-648-9568JSFW19P4B POSSIBLE MATCH
WASHER,CONCAVE
Possible match (shared part number)Monadnock Company, the Dba Lisi Aerospace
5310-01-648-9571JSFW19P5A POSSIBLE MATCH
WASHER,CONVEX
Possible match (shared part number)Sps Technologies, Llc Dba PB Fasteners
5310-01-648-9576JSFW19P12A POSSIBLE MATCH
WASHER,CONVEX
Possible match (shared part number)Forrest Machining Llc Dba Fmi Aerostructures
5310-01-648-9578JSFW19P3A POSSIBLE MATCH
WASHER,CONVEX
Possible match (shared part number)Sps Technologies, Llc Dba PB Fasteners
5310-01-648-9581JSFW19P5B POSSIBLE MATCH
WASHER,CONCAVE
Possible match (shared part number)Sps Technologies, Llc Dba PB Fasteners
5310-01-648-9583JSFW19P4A POSSIBLE MATCH
WASHER,CONVEX
Possible match (shared part number)Sps Technologies, Llc Dba PB Fasteners
5310-01-666-0309JSFW19P08A POSSIBLE MATCH
WASHER,CONVEX
Possible match (shared part number)Sps Technologies, Llc Dba PB Fasteners
Cross-Reference Index
Part NumberManufacturer
JSFW19P3B PRIMARY Monadnock Company, the Dba Lisi Aerospace (USA)
JSFW19P3B PRIMARY Sps Technologies, Llc Dba PB Fasteners (USA)
Reference documents
ReferenceMeaning
JSFW19P3B 1/2 Source control — Government-approved source
U.S. Government activity
JSFW19 D/9 Drawing number reference only
U.S. Government activity
Related Parts
5310-01-648-9568POSSIBLE MATCH
WASHER,CONCAVE
JSFW19P4B
5310-01-648-9571POSSIBLE MATCH
WASHER,CONVEX
JSFW19P5A
5310-01-648-9576POSSIBLE MATCH
WASHER,CONVEX
JSFW19P12A
5310-01-648-9578POSSIBLE MATCH
WASHER,CONVEX
JSFW19P3A
5310-01-648-9581POSSIBLE MATCH
WASHER,CONCAVE
JSFW19P5B
5310-01-648-9583POSSIBLE MATCH
WASHER,CONVEX
JSFW19P4A
5310-01-666-0309POSSIBLE MATCH
WASHER,CONVEX
JSFW19P08A

Frequently Asked Questions

What is NSN 5310-01-648-9565?

NSN 5310-01-648-9565 is a Washer,concave, manufactured by Monadnock Company, the Dba Lisi Aerospace, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-648-9565?

NSN 5310-01-648-9565 has 2 manufacturer part numbers on file: JSFW19P3B (Monadnock Company, the Dba Lisi Aerospace), JSFW19P3B (Sps Technologies, Llc Dba PB Fasteners).

What NSN replaces 5310-01-648-9565?

7 possible matches (shared part number, not a government interchangeability claim): 5310-01-648-9568, 5310-01-648-9571, 5310-01-648-9576. Verify interchangeability with system specifications before substitution.

Is NSN 5310-01-648-9565 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.

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✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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