PartsTable TECHNICAL DATA SHEET
AUGUST 2026Technical Data Sheet

MS33737-14CNut,sheet Spring

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5310-00-928-3878 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-928-3878 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-928-3878. Primary manufacturer part number: MS33737-14C.
Features
  • Nut,sheet Spring — FSC 5310
  • Surface Treatment: CADMIUM OR ZINC AND CHROMATE OR ZINC AND PHOSPHATE OVERALL
  • Surface Treatment Document and Classification: QQ-P-416,TYPE 1,CLASS 2 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325 FED SPEC 2ND TREATMENT RESPONSE OR QQ-Z-325 FED SPEC 3RD TREATMENT RESPONSE OR QQ-Z-325 FED SPEC 4TH TREATMENT RESPONSE OR QQ-Z-325 FED SPEC 5TH TREATMENT RESPONSE OVERALL
  • Material: COPPER ALLOY OVERALL
  • Nut Height: 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN
  • Panel Thickness: 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
  • Nut Width: 0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN
  • Material Thickness: 0.002 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Mechanical energy storage
  • Vibration dampening
General Description

The Nut,sheet Spring, cataloged under National Stock Number 5310-00-928-3878, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-928-3878
Primary Part NumberMS33737-14C
Item NameNut,sheet Spring
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusCANCELLED
Surface TreatmentCADMIUM OR ZINC AND CHROMATE OR ZINC AND PHOSPHATE OVERALL
Surface Treatment Document and ClassificationQQ-P-416,TYPE 1,CLASS 2 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325 FED SPEC 2ND TREATMENT RESPONSE OR QQ-Z-325 FED SPEC 3RD TREATMENT RESPONSE OR QQ-Z-325 FED SPEC 4TH TREATMENT RESPONSE OR QQ-Z-325 FED SPEC 5TH TREATMENT RESPONSE OVERALL
MaterialCOPPER ALLOY OVERALL
Nut Height0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN
Panel Thickness0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
Nut Width0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN
Material Thickness0.002 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN
Mating Member Diameter Accommodated0.138 INCHES NOMINAL IN
Nut Length0.661 INCHES MINIMUM AND 0.681 INCHES MAXIMUM IN
Nut StyleSHEET SPRING
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
4820-00-057-2396 INTERCHANGEABLE
Float,valve
2805-00-230-89864-117 INTERCHANGEABLE
Cap,main Bearing
Dresser Industries Inc Waukesha Engine Div
3120-00-339-3203 INTERCHANGEABLE
Bearing,sleeve
2520-00-360-689378637550 INTERCHANGEABLE
Disk,clutch,vehicular
Agco Corp Parts Opn
5961-00-449-1789 INTERCHANGEABLE
Semiconductor Device,diode
4730-00-480-62113A INTERCHANGEABLE
Strainer Element,sediment
Spirax Sarco Inc Dba Spirax Sarco
6340-00-674-22894-117 INTERCHANGEABLE
Control,alarm
Automation Products Group, Inc.
6530-01-017-2335343 INTERCHANGEABLE
Pad,pressure Point,physicotherap
Pre-Foam Inc
Cross-Reference Index
Part NumberManufacturer
938.56.31.106 Pilatus Aircraft Ltd (CHE)
MS33737-14C PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
MS33737-14C Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
NAS487-18 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
MS33737-14 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
4117 Wakmann Watch Company Inc (USA)
Related Parts
4820-00-057-2396INTERCHANGEABLE
FLOAT,VALVE
2805-00-230-8986INTERCHANGEABLE
CAP,MAIN BEARING
4-117
3120-00-339-3203INTERCHANGEABLE
BEARING,SLEEVE
2520-00-360-6893INTERCHANGEABLE
DISK,CLUTCH,VEHICULAR
78637550
5961-00-449-1789INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
4730-00-480-6211INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
3A
6340-00-674-2289INTERCHANGEABLE
CONTROL,ALARM
4-117
6530-01-017-2335INTERCHANGEABLE
PAD,PRESSURE POINT,PHYSICOTHERAP
343

Frequently Asked Questions

What is NSN 5310-00-928-3878?

NSN 5310-00-928-3878 is a Nut,sheet Spring, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-928-3878?

NSN 5310-00-928-3878 has 6 cross-referenced part numbers: 938.56.31.106 (Pilatus Aircraft Ltd), MS33737-14C (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), MS33737-14C (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), NAS487-18 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), MS33737-14 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 1 more.

What NSN replaces 5310-00-928-3878?

There are 8 known substitutes for 5310-00-928-3878: 4820-00-057-2396, 2805-00-230-8986, 3120-00-339-3203 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS33737-14C?

Key specifications for MS33737-14C: Surface Treatment: CADMIUM OR ZINC AND CHROMATE OR ZINC AND PHOSPHATE OVERALL; Surface Treatment Document and Classification: QQ-P-416,TYPE 1,CLASS 2 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325 FED SPEC 2ND TREATMENT RESPONSE OR QQ-Z-325 FED SPEC 3RD TREATMENT RESPONSE OR QQ-Z-325 FED SPEC 4TH TREATMENT RESPONSE OR QQ-Z-325 FED SPEC 5TH TREATMENT RESPONSE OVERALL; Material: COPPER ALLOY OVERALL; Nut Height: 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-928-3878 still in active supply?

NSN 5310-00-928-3878 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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