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NSN 5310-01-623-0590Government record, cited

Washer, Lock5310-01-623-0590

NSN 5310-01-623-0590 · NIIN 016230590 · Part number H348739-7
Cdp Fastener Group, Inc. Dba Cdp Fastener Group Inc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 02WB4
Government record, cited
NSN 5310-01-623-0590 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-623-0590. Manufacturer of record part number: H348739-7.
Also searched as  5310-01-623-0590 · 5310016230590 · NIIN 016230590 · 01-623-0590 · FSC 5310 Nuts and Washers · CAGE 02WB4 · H348739-7 · H348739
Nearby stock numbers  ·
Features
  • Washer,lock — FSC 5310
  • 1 manufacturer part number on file
  • Manufacturer of record: Cdp Fastener Group, Inc. Dba Cdp Fastener Group Inc
Identification
  • NSN: 5310-01-623-0590
  • NIIN: 016230590
  • FSC: 5310 — Nuts and Washers
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: H348739-7
  • Manufacturer: Cdp Fastener Group, Inc. Dba Cdp Fastener Group Inc
General Description

The Washer,lock, cataloged under National Stock Number 5310-01-623-0590, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Cdp Fastener Group, Inc. Dba Cdp Fastener Group Inc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts
Item NameWasher,lock
FSC / FSG5310 — Nuts and Washers (FSG 53)
ManufacturersCdp Fastener Group, Inc. Dba Cdp Fastener Group Inc (CAGE 02WB4)
Technical Specifications
ParameterValue
NSN5310-01-623-0590
Primary Part NumberH348739-7
Item NameWasher,lock
FSC / FSG5310 / 53 — Nuts and Washers
ManufacturerCdp Fastener Group, Inc. Dba Cdp Fastener Group Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
H348739-7 PRIMARY Cdp Fastener Group, Inc. Dba Cdp Fastener Group Inc (USA)
Reference documents
ReferenceMeaning
H348739 7/2 Vendor item drawing reference
Raytheon Company Div Corp
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 5310-01-623-0590?

NSN 5310-01-623-0590 is a Washer,lock, manufactured by Cdp Fastener Group, Inc. Dba Cdp Fastener Group Inc, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-623-0590?

NSN 5310-01-623-0590 has 1 manufacturer part number on file: H348739-7 (Cdp Fastener Group, Inc. Dba Cdp Fastener Group Inc).

Is NSN 5310-01-623-0590 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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