PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7-904Nut,plain,single Ball Seat,hexag

Pdi Ground Support Systems, Inc. · NSN 5310-00-874-4495 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-874-4495 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-874-4495. Primary manufacturer part number: 7-904.
Features
  • Nut,plain,single Ball Seat,hexag — FSC 5310
  • Thread Series: UN
  • Nut Height: 0.881 INCHES NOMINAL IN
  • Width Across Flats: 1.500 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 16
  • Nominal Thread Size: 0.750 INCHES IN
  • Nut Style: SINGLE BALL SEAT, HEXAGON
  • Material: STEEL OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,plain,single Ball Seat,hexag, cataloged under National Stock Number 5310-00-874-4495, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Pdi Ground Support Systems, Inc.. Government technical data includes 9 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-874-4495
Primary Part Number7-904
Item NameNut,plain,single Ball Seat,hexag
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerPdi Ground Support Systems, Inc.
StatusCANCELLED
Thread SeriesUN
Nut Height0.881 INCHES NOMINAL IN
Width Across Flats1.500 INCHES NOMINAL IN
Thread Quantity Per Inch16
Nominal Thread Size0.750 INCHES IN
Nut StyleSINGLE BALL SEAT, HEXAGON
MaterialSTEEL OVERALL
Thread Class2B
Thread DirectionLEFT-HAND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
5310-00-274-454045278 INTERCHANGEABLE
Washer,flat
General Motors Corp
5977-00-296-26247904 INTERCHANGEABLE
Brush,electrical Contact
Prestolite Electric Inc
6625-00-472-37607904 INTERCHANGEABLE
Oscilloscope Mainframe
Tektronix, Inc.
5935-00-477-4602WTB70PR9SY1 INTERCHANGEABLE
Connector,receptacle,electrical
Airborn Interconnect, Llc
3110-00-526-102934BX4C44 INTERCHANGEABLE
Bearing,ball,annular
Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation
5330-00-591-15517904 INTERCHANGEABLE
Retainer,packing
Goodrich Corporation
7510-00-957-4217 INTERCHANGEABLE
Ink,marking Stencil
5998-01-326-924545278 INTERCHANGEABLE
Printed Circuit Board
Thermo Electron Corporation Dba Iec Centrifuge Div Laboratory Equipment Divsion
5915-01-373-6065GT807J1 INTERCHANGEABLE
Filter,radio Frequency Interfere
Northrop Grumman Systems Corporation
4010-01-572-676012421429-004 INTERCHANGEABLE
Wire Rope Assembly,single Leg
Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc
Cross-Reference Index
Part NumberManufacturer
7-904 Worthington Compressors Inc Air Power and Construction Equip Div (USA)
7-904 PRIMARY Pdi Ground Support Systems, Inc. (USA)
45278 Highway Equipment Company Inc (USA)
Related Parts
5310-00-274-4540INTERCHANGEABLE
WASHER,FLAT
45278
5977-00-296-2624INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
7904
6625-00-472-3760INTERCHANGEABLE
OSCILLOSCOPE MAINFRAME
7904
5935-00-477-4602INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
WTB70PR9SY1
3110-00-526-1029INTERCHANGEABLE
BEARING,BALL,ANNULAR
34BX4C44
5330-00-591-1551INTERCHANGEABLE
RETAINER,PACKING
7904
7510-00-957-4217INTERCHANGEABLE
INK,MARKING STENCIL
5998-01-326-9245INTERCHANGEABLE
PRINTED CIRCUIT BOARD
45278
5915-01-373-6065INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
GT807J1
4010-01-572-6760INTERCHANGEABLE
WIRE ROPE ASSEMBLY,SINGLE LEG
12421429-004

Frequently Asked Questions

What is NSN 5310-00-874-4495?

NSN 5310-00-874-4495 is a Nut,plain,single Ball Seat,hexag, manufactured by Pdi Ground Support Systems, Inc., classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-874-4495?

NSN 5310-00-874-4495 has 3 cross-referenced part numbers: 7-904 (Worthington Compressors Inc Air Power and Construction Equip Div), 7-904 (Pdi Ground Support Systems, Inc.), 45278 (Highway Equipment Company Inc).

What NSN replaces 5310-00-874-4495?

There are 10 known substitutes for 5310-00-874-4495: 5310-00-274-4540, 5977-00-296-2624, 6625-00-472-3760 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7-904?

Key specifications for 7-904: Thread Series: UN; Nut Height: 0.881 INCHES NOMINAL IN; Width Across Flats: 1.500 INCHES NOMINAL IN; Thread Quantity Per Inch: 16. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-874-4495 still in active supply?

NSN 5310-00-874-4495 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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