NSN 5310-01-186-9312 · NIIN 011869312 · Part number 337D109BX2
Naval Inventory Control Point Mechanicsburg · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 03950
Government record, cited
NSN 5310-01-186-9312 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-186-9312. Manufacturer of record part number: 337D109BX2.
Also searched as5310-01-186-9312 ·
5310011869312 ·
NIIN 011869312 ·
01-186-9312 ·
FSC 5310 Nuts and Washers · CAGE 03950 · 337D109BX2
Material Document and Classification: QQ-C-465 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Outside Diameter: 4.932 INCHES MINIMUM AND 4.934 INCHES MAXIMUM IN
Recess Depth: 0.911 INCHES MINIMUM AND 0.953 INCHES MAXIMUM IN
Material Thickness: 0.170 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN
Hole Diameter: 3.406 INCHES MINIMUM AND 3.416 INCHES MAXIMUM IN
1 manufacturer part number on file
Identification
NSN: 5310-01-186-9312
NIIN: 011869312
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 337D109BX2
Manufacturer: Naval Inventory Control Point Mechanicsburg
General Description
The Washer,recessed, cataloged under National Stock Number 5310-01-186-9312, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 6 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5310-01-186-9312
Primary Part Number
337D109BX2
Item Name
Washer,recessed
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Naval Inventory Control Point Mechanicsburg
Status
ACTIVE
Style Designator
RECESSED
Material Document and Classification
QQ-C-465 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
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 5310-01-186-9312?
NSN 5310-01-186-9312 is a Washer,recessed, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-186-9312?
NSN 5310-01-186-9312 has 1 manufacturer part number on file: 337D109BX2 (Naval Inventory Control Point Mechanicsburg).
What are the specifications of 337D109BX2?
Key specifications for 337D109BX2: Overall Height: 1.121 INCHES MINIMUM AND 1.123 INCHES MAXIMUM IN; Style Designator: RECESSED; Material Document and Classification: QQ-C-465 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 4.932 INCHES MINIMUM AND 4.934 INCHES MAXIMUM IN. 6 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-186-9312 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.