PartsTable
Technical Data Sheet
12Z5011-79 ✓ 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: COPPER ALLOY, ring_style: EXTERNAL, usage_design: EXTERNAL, inside_diameter: 1.026 INCHES MINIMUM AND 1.051 INCHES MAXIMUM IN, major_thickness: 0.050 INCHES NOMINAL IN, strength_rating: ERR-060. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-584-1943, 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
12Z5011-79
NSN: 5325-00-584-1943
FSC: 5325
CAGE: 94135 — NAVAL ORDNANCE STANDARDS (USA)
SPECIFICATIONS
materialCOPPER ALLOY
ring_styleEXTERNAL
usage_designEXTERNAL
inside_diameter1.026 INCHES MINIMUM AND 1.051 INCHES MAXIMUM IN
major_thickness0.050 INCHES NOMINAL IN
strength_ratingERR-060
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating37.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM
cross-sectional_shape_styleROUNDED CORNERS
material_document_and_classificationQQ-C-533 CONDITION HT FED SPEC SINGLE MATERIAL RESPONSE
NSN5325-00-584-1943
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12Z5011-79 · 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
CROSS-SECTIONAL SHAPE STYLE: ROUNDED CORNERS
MATERIAL HARDNESS RATING: 37.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM
MAJOR THICKNESS: 0.050 INCHES NOMINAL IN
STRENGTH RATING: ERR-060
MATERIAL: COPPER ALLOY
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-533 CONDITION HT FED SPEC SINGLE MATERIAL RESPONSE
USAGE DESIGN: EXTERNAL
INSIDE DIAMETER: 1.026 INCHES MINIMUM AND 1.051 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLEROUNDED CORNERS
MATERIAL HARDNESS RATING37.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM
MAJOR THICKNESS0.050 INCHES NOMINAL IN
STRENGTH RATINGERR-060
MATERIALCOPPER ALLOY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-533 CONDITION HT FED SPEC SINGLE MATERIAL RESPONSE
USAGE DESIGNEXTERNAL
INSIDE DIAMETER1.026 INCHES MINIMUM AND 1.051 INCHES MAXIMUM IN
RING STYLEEXTERNAL
CASEHARDENING INDICATORNOT CASEHARDENED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
21475Interchangeable
interchangeable cross-reference
interchangeable
410B21-95CInterchangeable
interchangeable cross-reference
interchangeable
2385Interchangeable
interchangeable cross-reference
interchangeable
8148650Interchangeable
interchangeable cross-reference
interchangeable
01306100B0Interchangeable
interchangeable cross-reference
interchangeable
3954017Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12Z5011-79?
12Z5011-79 is a RING,RETAINING.
What parts can replace 12Z5011-79?
There are 11 known substitutes for 12Z5011-79: 21475, 410B21-95C, 2385 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12Z5011-79?
12Z5011-79 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-584-1943. This indicates validated use in U.S. government and defense supply chains.
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