PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 0183-45
0183-45 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL, ring_style: EXTERNAL, usage_design: EXTERNAL, inside_diameter: 1.372 INCHES MINIMUM AND 1.397 INCHES MAXIMUM IN, major_thickness: 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN, surface_treatment: ZINC. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-282-6987, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
0183-45
NSN: 5325-00-282-6987
FSC: 5325
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
materialSTEEL
ring_styleEXTERNAL
usage_designEXTERNAL
inside_diameter1.372 INCHES MINIMUM AND 1.397 INCHES MAXIMUM IN
major_thickness0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
surface_treatmentZINC
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationFED STD 66,FS1066 TO 1090 FED STD SINGLE MATERIAL RESPONSE
NSN5325-00-282-6987
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 0183-45 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
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
•
MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66,FS1066 TO 1090 FED STD SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
A-A-2555Interchangeable
interchangeable cross-reference
interchangeable
3627-0Interchangeable
interchangeable cross-reference
interchangeable
GGG-D-691Interchangeable
interchangeable cross-reference
interchangeable
8491B OPT 003Interchangeable
interchangeable cross-reference
interchangeable
1324AS212-1Interchangeable
interchangeable cross-reference
interchangeable
50HF-003NInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 0183-45?
0183-45 is a RING,RETAINING.
What parts can replace 0183-45?
There are 12 known substitutes for 0183-45: A-A-2555, 3627-0, GGG-D-691 and 9 more. Substitute compatibility should be verified for your specific system.
Is 0183-45 still available?
0183-45 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026