PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PL-999F0661 PIECE 62Nut,self-Locking,hexagon

Circor Naval Solutions Llc Dba Warren Pumps · NSN 5310-01-235-1186 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-235-1186 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-235-1186. Primary manufacturer part number: PL-999F0661 PIECE 62.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Nominal Thread Size: 0.625 INCHES IN
  • Thread Direction: RIGHT-HAND
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Thread Quantity Per Inch: 11
  • Material: NICKEL ALLOY R-405 OVERALL
  • Material Document and Classification: QQ-N-281,CL B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • 5 verified cross-references
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Nickel Alloy R-405 Overall construction
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-235-1186, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-235-1186
Primary Part NumberPL-999F0661 PIECE 62
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Nominal Thread Size0.625 INCHES IN
Thread DirectionRIGHT-HAND
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Thread Quantity Per Inch11
MaterialNICKEL ALLOY R-405 OVERALL
Material Document and ClassificationQQ-N-281,CL B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-01-004-6946MS17828-10C INTERCHANGEABLE
Nut,self-Locking,hexagon
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
U9NE-101 Harvard Industries Inc (USA)
09NE101 Esna, Llc (USA)
09NE101 Zf Industrieantriebe Witten Gmbh (DEU)
PL-999F0661 PIECE 62 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
PL-999F0661 PC6 Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
5310-01-004-6946INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
MS17828-10C

Frequently Asked Questions

What is NSN 5310-01-235-1186?

NSN 5310-01-235-1186 is a Nut,self-Locking,hexagon, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-235-1186?

NSN 5310-01-235-1186 has 5 cross-referenced part numbers: U9NE-101 (Harvard Industries Inc), 09NE101 (Esna, Llc), 09NE101 (Zf Industrieantriebe Witten Gmbh), PL-999F0661 PIECE 62 (Circor Naval Solutions Llc Dba Warren Pumps), PL-999F0661 PC6 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 5310-01-235-1186?

There is 1 known substitute for 5310-01-235-1186: 5310-01-004-6946. Verify interchangeability with system specifications before substitution.

What are the specifications of PL-999F0661 PIECE 62?

Key specifications for PL-999F0661 PIECE 62: Nominal Thread Size: 0.625 INCHES IN; Thread Direction: RIGHT-HAND; Part Name Assigned by Controlling Agency: NAVY SPECIAL PROJECT; Thread Series: UNIFIED NATIONAL COARSE (UNC). 7 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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