PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0183-45Ring,retaining

Lockheed Martin Corporation Div Rms - Mitchel Field · NSN 5325-00-282-6987 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-282-6987 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-282-6987. Primary manufacturer part number: 0183-45.
Features
  • Ring,retaining — FSC 5325
  • Material: STEEL
  • Casehardening Indicator: NOT CASEHARDENED
  • Cross-Sectional Shape Style: RECTANGULAR
  • Material Hardness Rating: 47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
  • Usage Design: EXTERNAL
  • Major Thickness: 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
  • Surface Treatment: ZINC
Applications
  • Applications requiring Steel construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-282-6987, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5325-00-282-6987
Primary Part Number0183-45
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms - Mitchel Field
StatusCANCELLED
MaterialSTEEL
Casehardening IndicatorNOT CASEHARDENED
Cross-Sectional Shape StyleRECTANGULAR
Material Hardness Rating47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
Usage DesignEXTERNAL
Major Thickness0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
Surface TreatmentZINC
Material Document and ClassificationFED STD 66,FS1066 TO 1090 FED STD SINGLE MATERIAL RESPONSE
Inside Diameter1.372 INCHES MINIMUM AND 1.397 INCHES MAXIMUM IN
Ring StyleEXTERNAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5133-00-236-2047 INTERCHANGEABLE
Drill,masonry,hand
5985-01-288-48751324AS212-1 INTERCHANGEABLE
Attenuator,fixed
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
6750-01-379-4288 INTERCHANGEABLE
Paper,photographic
9330-01-385-43890183 INTERCHANGEABLE
Plastic Sheet,laminated,decorati
Usi, Inc.
5310-01-526-15660183 INTERCHANGEABLE
Washer,flat
Tech Products Corp
Cross-Reference Index
Part NumberManufacturer
0183-45 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
MS16624-2150 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
42R2051-170 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
SMD149564-39 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
0183 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
5100-150ZD Rotor Clip Company, Inc. (USA)
5100-150ZD Truarc Company Llc Dba Waldes Truarc (USA)
Related Parts
5133-00-236-2047INTERCHANGEABLE
DRILL,MASONRY,HAND
5985-01-288-4875INTERCHANGEABLE
ATTENUATOR,FIXED
1324AS212-1
6750-01-379-4288INTERCHANGEABLE
PAPER,PHOTOGRAPHIC
9330-01-385-4389INTERCHANGEABLE
PLASTIC SHEET,LAMINATED,DECORATI
0183
5310-01-526-1566INTERCHANGEABLE
WASHER,FLAT
0183

Frequently Asked Questions

What is NSN 5325-00-282-6987?

NSN 5325-00-282-6987 is a Ring,retaining, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5325 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5325-00-282-6987?

NSN 5325-00-282-6987 has 7 cross-referenced part numbers: 0183-45 (Lockheed Martin Corporation Div Rms - Mitchel Field), MS16624-2150 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 42R2051-170 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), SMD149564-39 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 0183 (Lockheed Martin Corporation Div Rms - Mitchel Field) and 2 more.

What NSN replaces 5325-00-282-6987?

There are 5 known substitutes for 5325-00-282-6987: 5133-00-236-2047, 5985-01-288-4875, 6750-01-379-4288 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 0183-45?

Key specifications for 0183-45: Material: STEEL; Casehardening Indicator: NOT CASEHARDENED; Cross-Sectional Shape Style: RECTANGULAR; Material Hardness Rating: 47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5325-00-282-6987 still in active supply?

NSN 5325-00-282-6987 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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