PartsTable TECHNICAL DATA SHEET
NSN 5310-00-474-5240Government record, cited

Nut, Plain, Knurled5310-00-474-5240

NSN 5310-00-474-5240 · NIIN 004745240 · Part number 99527-1
Piasecki Aircraft Corp · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 04926
Government record, cited
NSN 5310-00-474-5240 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-474-5240. Manufacturer of record part number: 99527-1.
Also searched as  5310-00-474-5240 · 5310004745240 · NIIN 004745240 · 00-474-5240 · FSC 5310 Nuts and Washers · CAGE 04926 · 99527-1
Nearby stock numbers  ·
Features
  • Nut,plain,knurled — FSC 5310
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Thread Direction: RIGHT-HAND
  • Nominal Thread Size: 0.312 INCHES IN
  • Nut Diameter: 0.875 INCHES NOMINAL IN
  • Nut Thickness: 0.540 INCHES NOMINAL IN
  • Small End Length: 0.340 INCHES NOMINAL IN
  • Small End Diameter: 0.500 INCHES NOMINAL IN
Identification
  • NSN: 5310-00-474-5240
  • NIIN: 004745240
  • FSC: 5310 — Nuts and Washers
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 99527-1
  • Manufacturer: Piasecki Aircraft Corp
General Description

The Nut,plain,knurled, cataloged under National Stock Number 5310-00-474-5240, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Piasecki Aircraft Corp. Government technical data includes 12 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
ParameterValue
NSN5310-00-474-5240
Primary Part Number99527-1
Item NameNut,plain,knurled
FSC / FSG5310 / 53 — Nuts and Washers
ManufacturerPiasecki Aircraft Corp
StatusACTIVE
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Thread DirectionRIGHT-HAND
Nominal Thread Size0.312 INCHES IN
Nut Diameter0.875 INCHES NOMINAL IN
Nut Thickness0.540 INCHES NOMINAL IN
Small End Length0.340 INCHES NOMINAL IN
Small End Diameter0.500 INCHES NOMINAL IN
Nut StyleKNURLED
Thread Class2B
Thread Quantity Per Inch18
MaterialSTEEL OVERALL
Knurl Width0.200 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
99527-1 PRIMARY Piasecki Aircraft Corp (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 5310-00-474-5240?

NSN 5310-00-474-5240 is a Nut,plain,knurled, manufactured by Piasecki Aircraft Corp, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-00-474-5240?

NSN 5310-00-474-5240 has 1 manufacturer part number on file: 99527-1 (Piasecki Aircraft Corp).

What are the specifications of 99527-1?

Key specifications for 99527-1: Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.312 INCHES IN; Nut Diameter: 0.875 INCHES NOMINAL IN. 12 specifications are documented in the U.S. Government catalog.

Is NSN 5310-00-474-5240 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.
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