NSN 5310-01-273-5230 · NIIN 012735230 · Part number HU3-5/16UNCOATED
Flowserve Corp Dba Automax Actuators Div Flowserve Us Company · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 52374
Government record, cited
NSN 5310-01-273-5230 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-273-5230. Manufacturer of record part number: HU3-5/16UNCOATED.
Also searched as5310-01-273-5230 ·
5310012735230 ·
NIIN 012735230 ·
01-273-5230 ·
FSC 5310 Nuts and Washers · CAGE 52374 · HU3-5/16UNCOATED · 01-435-0146-5PC146 · 5/16UNCTD STD COLLAR
Manufacturer of record: Flowserve Corp Dba Automax Actuators Div Flowserve Us Company
Identification
NSN: 5310-01-273-5230
NIIN: 012735230
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: HU3-5/16UNCOATED
Manufacturer: Flowserve Corp Dba Automax Actuators Div Flowserve Us Company
General Description
The Washer,lock, cataloged under National Stock Number 5310-01-273-5230, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Flowserve Corp Dba Automax Actuators Div Flowserve Us Company. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5310-01-273-5230
Primary Part Number
HU3-5/16UNCOATED
Item Name
Washer,lock
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Flowserve Corp Dba Automax Actuators Div Flowserve Us Company
Flowserve Corp Dba Automax Actuators Div Flowserve Us Company (USA)
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 5310-01-273-5230?
NSN 5310-01-273-5230 is a Washer,lock, manufactured by Flowserve Corp Dba Automax Actuators Div Flowserve Us Company, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-273-5230?
NSN 5310-01-273-5230 has 3 manufacturer part numbers on file: 01-435-0146-5PC146 (Flowserve Corp Dba Automax Actuators Div Flowserve Us Company), HU3-5/16UNCOATED (Flowserve Corp Dba Automax Actuators Div Flowserve Us Company), 5/16UNCTD STD COLLAR (Flowserve Corp Dba Automax Actuators Div Flowserve Us Company).
What are the specifications of HU3-5/16UNCOATED?
Key specifications for HU3-5/16UNCOATED: Part Name Assigned by Controlling Agency: WASHER,LOCK. 0 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-273-5230 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.