PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

52797Nut,plain,hexagon

Northrop Grumman Systems Corporation Div Es Defensive Systems Division · NSN 5310-00-988-0351 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-988-0351 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-988-0351. Primary manufacturer part number: 52797.
Features
  • Nut,plain,hexagon — FSC 5310
  • Thread Direction: RIGHT-HAND
  • Thread Series: UNEF
  • Bearing Surface Type: WASHER FACED
  • Nominal Thread Size: 0.250 INCHES IN
  • Thread Quantity Per Inch: 32
  • Nut Height: 0.140 INCHES NOMINAL IN
  • Material: COPPER ALLOY 544 OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy 544 Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-988-0351, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Northrop Grumman Systems Corporation Div Es Defensive Systems Division. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-988-0351
Primary Part Number52797
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Div Es Defensive Systems Division
StatusACTIVE
Thread DirectionRIGHT-HAND
Thread SeriesUNEF
Bearing Surface TypeWASHER FACED
Nominal Thread Size0.250 INCHES IN
Thread Quantity Per Inch32
Nut Height0.140 INCHES NOMINAL IN
MaterialCOPPER ALLOY 544 OVERALL
Width Across Flats0.375 INCHES NOMINAL IN
Thread Class3B
Nut StyleHEXAGON
Material Document and ClassificationQQ-B-750 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5210-00-277-1613666-1 1/2 INTERCHANGEABLE
Gage Stock,thickness
L.s. Starrett Company (the) Div Tool Division
6645-00-719-9071 INTERCHANGEABLE
Roller,safety
4820-01-332-083552797 INTERCHANGEABLE
Parts Kit,valve
Husco International Inc
Cross-Reference Index
Part NumberManufacturer
52797 Northrop Grumman Systems Corporation Div Es Defensive Systems Division (USA)
52797 Yard Corp (USA)
52797 Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc (USA)
Related Parts
5210-00-277-1613INTERCHANGEABLE
GAGE STOCK,THICKNESS
666-1 1/2
6645-00-719-9071INTERCHANGEABLE
ROLLER,SAFETY
4820-01-332-0835INTERCHANGEABLE
PARTS KIT,VALVE
52797

Frequently Asked Questions

What is NSN 5310-00-988-0351?

NSN 5310-00-988-0351 is a Nut,plain,hexagon, manufactured by Northrop Grumman Systems Corporation Div Es Defensive Systems Division, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-988-0351?

NSN 5310-00-988-0351 has 3 cross-referenced part numbers: 52797 (Northrop Grumman Systems Corporation Div Es Defensive Systems Division), 52797 (Yard Corp), 52797 (Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc).

What NSN replaces 5310-00-988-0351?

There are 3 known substitutes for 5310-00-988-0351: 5210-00-277-1613, 6645-00-719-9071, 4820-01-332-0835. Verify interchangeability with system specifications before substitution.

What are the specifications of 52797?

Key specifications for 52797: Thread Direction: RIGHT-HAND; Thread Series: UNEF; Bearing Surface Type: WASHER FACED; Nominal Thread Size: 0.250 INCHES IN. 11 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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