PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 676-0277-088
676-0277-088 ✓ 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 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: CADMIUM AND CHROMATE OR CHROMATE ZINC, casehardening_indicator: NOT CASEHARDENED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-803-7299, 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
676-0277-088
NSN: 5325-00-803-7299
FSC: 5325
CAGE: 04579 — AURORA PUMP A UNIT OF GENERAL SIGNAL CORP (USA)
SPECIFICATIONS
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_treatmentCADMIUM AND CHROMATE OR CHROMATE ZINC
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 AISI 1066 OR 1069 OR 1070 OR 1072 OR 1074 OR 1075 OR 1078 OR 1080 OR 1084 OR 1086 OR 1090 FED STD SINGLE MATERIAL RESPONSE
NSN5325-00-803-7299
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 676-0277-088 · 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
•
RING STYLE: EXTERNAL
•
MATERIAL: STEEL COMP 1066 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1072 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1084 OR STEEL COMP 1086 OR STEEL COMP 1090
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OR CHROMATE ZINC
•
MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66 AISI 1066 OR 1069 OR 1070 OR 1072 OR 1074 OR 1075 OR 1078 OR 1080 OR 1084 OR 1086 OR 1090 FED STD SINGLE MATERIAL RESPONSE
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
MAJOR THICKNESS: 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 1.372 INCHES MINIMUM AND 1.397 INCHES MAXIMUM IN
•
USAGE DESIGN: EXTERNAL
TECHNICAL CHARACTERISTICS (FLIS)
RING STYLEEXTERNAL
MATERIALSTEEL COMP 1066 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1072 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1084 OR STEEL COMP 1086 OR STEEL COMP 1090
SURFACE TREATMENTCADMIUM AND CHROMATE OR CHROMATE ZINC
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66 AISI 1066 OR 1069 OR 1070 OR 1072 OR 1074 OR 1075 OR 1078 OR 1080 OR 1084 OR 1086 OR 1090 FED STD SINGLE MATERIAL RESPONSE
CASEHARDENING INDICATORNOT CASEHARDENED
MAJOR THICKNESS0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
INSIDE DIAMETER1.372 INCHES MINIMUM AND 1.397 INCHES MAXIMUM IN
USAGE DESIGNEXTERNAL
MATERIAL HARDNESS RATING47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
5100-150Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-21248Interchangeable
interchangeable cross-reference
interchangeable
5365002820748Interchangeable
interchangeable cross-reference
interchangeable
5100-143-S-MDInterchangeable
interchangeable cross-reference
interchangeable
5365005307957Interchangeable
interchangeable cross-reference
interchangeable
117488Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 676-0277-088?
676-0277-088 is a RING,RETAINING.
What parts can replace 676-0277-088?
There are 22 known substitutes for 676-0277-088: 5100-150, MIL-DTL-21248, 5365002820748 and 19 more. Substitute compatibility should be verified for your specific system.
Is 676-0277-088 still available?
676-0277-088 is currently cancelled.
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Last verified: July 2026