PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

99121896Nut,plain,hexagon

Alfa Laval Inc · NSN 5310-00-336-9400 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-336-9400 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-336-9400. Primary manufacturer part number: 99121896.
Features
  • Nut,plain,hexagon — FSC 5310
  • Material: STEEL OVERALL
  • Nominal Thread Size: 0.250 INCHES IN
  • Thread Quantity Per Inch: 20
  • Bearing Surface Type: WASHER FACED
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Width Across Flats: 0.496 INCHES NOMINAL IN
  • Nut Height: 0.249 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-336-9400, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Alfa Laval Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-336-9400
Primary Part Number99121896
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerAlfa Laval Inc
StatusACTIVE
MaterialSTEEL OVERALL
Nominal Thread Size0.250 INCHES IN
Thread Quantity Per Inch20
Bearing Surface TypeWASHER FACED
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Width Across Flats0.496 INCHES NOMINAL IN
Nut Height0.249 INCHES NOMINAL IN
Nut StyleHEXAGON
Thread DirectionRIGHT-HAND
Thread Class2B
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5950-00-083-6151 INTERCHANGEABLE
Transformer,current
2810-00-118-522421896 INTERCHANGEABLE
Oil Jet,supercharge
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
2805-00-353-7535291314 INTERCHANGEABLE
Base,cylinder Block
Briggs and Stratton Corp
5365-00-616-63732-189-6 INTERCHANGEABLE
Shim
Precision Aerospace Corporation Dba Precision Engine Control
3610-00-773-9086 INTERCHANGEABLE
Gripper,delivery
5998-01-132-376521896 INTERCHANGEABLE
Circuit Card Assembly
L3 Technologies, Inc. Div Communication Systems-West
2990-01-261-261521896 INTERCHANGEABLE
Muffler,exhaust
Walker Mfg Co
Cross-Reference Index
Part NumberManufacturer
21896 Alfa Laval Inc (USA)
99121896 PRIMARY Alfa Laval Inc (USA)
5310PL0660538 Jednolity Indeks Materialowy - Uniform Material Index (POL)
Related Parts
5950-00-083-6151INTERCHANGEABLE
TRANSFORMER,CURRENT
2810-00-118-5224INTERCHANGEABLE
OIL JET,SUPERCHARGE
21896
2805-00-353-7535INTERCHANGEABLE
BASE,CYLINDER BLOCK
291314
5365-00-616-6373INTERCHANGEABLE
SHIM
2-189-6
3610-00-773-9086INTERCHANGEABLE
GRIPPER,DELIVERY
5998-01-132-3765INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
21896
2990-01-261-2615INTERCHANGEABLE
MUFFLER,EXHAUST
21896

Frequently Asked Questions

What is NSN 5310-00-336-9400?

NSN 5310-00-336-9400 is a Nut,plain,hexagon, manufactured by Alfa Laval Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-336-9400?

NSN 5310-00-336-9400 has 3 cross-referenced part numbers: 21896 (Alfa Laval Inc), 99121896 (Alfa Laval Inc), 5310PL0660538 (Jednolity Indeks Materialowy - Uniform Material Index).

What NSN replaces 5310-00-336-9400?

There are 7 known substitutes for 5310-00-336-9400: 5950-00-083-6151, 2810-00-118-5224, 2805-00-353-7535 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 99121896?

Key specifications for 99121896: Material: STEEL OVERALL; Nominal Thread Size: 0.250 INCHES IN; Thread Quantity Per Inch: 20; Bearing Surface Type: WASHER FACED. 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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