PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2261-34Washer,recessed

Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc · NSN 5310-00-060-9484 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-060-9484 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-060-9484. Primary manufacturer part number: 2261-34.
Features
  • Washer,recessed — FSC 5310
  • Hole Diameter: 0.380 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
  • Material Document and Classification: QQ-A-225/6,TEMPER T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material Thickness: 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
  • Outside Diameter: 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
  • Surface Treatment: ANODIZE OVERALL
  • Style Designator: RECESSED
  • Recess Depth: 0.170 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Aluminum Alloy 2024 Overall construction
General Description

The Washer,recessed, cataloged under National Stock Number 5310-00-060-9484, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-060-9484
Primary Part Number2261-34
Item NameWasher,recessed
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNammo Defense Systems Inc. Dba Nammo Defense Systems Inc
StatusACTIVE
Hole Diameter0.380 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
Material Document and ClassificationQQ-A-225/6,TEMPER T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Material Thickness0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
Outside Diameter0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
Surface TreatmentANODIZE OVERALL
Style DesignatorRECESSED
Recess Depth0.170 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
Surface Treatment Document and ClassificationMIL-A-8625,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
MaterialALUMINUM ALLOY 2024 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5910-01-058-9571 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
5961-01-068-793422-6134 INTERCHANGEABLE
Transistor
Astronics Test Systems Inc
4730-01-161-2669226134 INTERCHANGEABLE
Adapter,straight,pipe to Hose
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
6540-01-612-1913135-015-07-01 INTERCHANGEABLE
Case,ophthalmic Lens Fabrication
Lyric Optical Company, Inc. Div Lyric Optical Dba Super Optical International
Cross-Reference Index
Part NumberManufacturer
2261-34 PRIMARY Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc (USA)
Related Parts
5910-01-058-9571INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
5961-01-068-7934INTERCHANGEABLE
TRANSISTOR
22-6134
4730-01-161-2669INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO HOSE
226134
6540-01-612-1913INTERCHANGEABLE
CASE,OPHTHALMIC LENS FABRICATION
135-015-07-01

Frequently Asked Questions

What is NSN 5310-00-060-9484?

NSN 5310-00-060-9484 is a Washer,recessed, manufactured by Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-060-9484?

NSN 5310-00-060-9484 has 1 cross-referenced part number: 2261-34 (Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc).

What NSN replaces 5310-00-060-9484?

There are 4 known substitutes for 5310-00-060-9484: 5910-01-058-9571, 5961-01-068-7934, 4730-01-161-2669 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2261-34?

Key specifications for 2261-34: Hole Diameter: 0.380 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN; Overall Height: 0.200 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN; Material Document and Classification: QQ-A-225/6,TEMPER T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Material Thickness: 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN. 10 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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