PartsTable
Technical Data Sheet
11921-5-7 ✓ 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: WIRE, usage_design: EXTERNAL, special_features: NHA IS BEVEL GEAR, end_item_identification: 3830-01-538-1421, WINCH ATTACHMENT, SINGLE DRUM, MODEL PA80, cross-sectional_shape_style: ROUND, part_name_assigned_by_controlling_agency: RETAINING RING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-046-0512, 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
11921-5-7
NSN: 5306-01-046-0512
FSC: 5306
CAGE: 59563 — REID PRODUCTS INC. DBA REID PRODUCTS INC (USA)
SPECIFICATIONS
ring_styleWIRE
usage_designEXTERNAL
special_featuresNHA IS BEVEL GEAR
end_item_identification3830-01-538-1421, WINCH ATTACHMENT, SINGLE DRUM, MODEL PA80
cross-sectional_shape_styleROUND
part_name_assigned_by_controlling_agencyRETAINING RING
NSN5306-01-046-0512
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 11921-5-7 · 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
HEAD STYLE: DOUBLE HEXAGON
THREAD LENGTH: 0.441 INCHES MINIMUM AND 0.508 INCHES MAXIMUM IN
FASTENER LENGTH: 0.889 INCHES MINIMUM AND 0.936 INCHES MAXIMUM IN
SHOULDER DIAMETER: 0.3427 INCHES MINIMUM AND 0.3432 INCHES MAXIMUM FIRST SHOULDER IN
SHOULDER LENGTH: 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM FIRST SHOULDER IN
THREAD QUANTITY PER INCH: 24
SHOULDER SHAPE: ROUND FIRST SHOULDER
SPECIFICATION/STANDARD DATA: 76301-ST3-507 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
TECHNICAL CHARACTERISTICS (FLIS)
HEAD STYLEDOUBLE HEXAGON
THREAD LENGTH0.441 INCHES MINIMUM AND 0.508 INCHES MAXIMUM IN
FASTENER LENGTH0.889 INCHES MINIMUM AND 0.936 INCHES MAXIMUM IN
SHOULDER DIAMETER0.3427 INCHES MINIMUM AND 0.3432 INCHES MAXIMUM FIRST SHOULDER IN
SHOULDER LENGTH0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM FIRST SHOULDER IN
THREAD QUANTITY PER INCH24
SHOULDER SHAPEROUND FIRST SHOULDER
SPECIFICATION/STANDARD DATA76301-ST3-507 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF)
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
119-2157Interchangeable
interchangeable cross-reference
interchangeable
70163Interchangeable
interchangeable cross-reference
interchangeable
BM17019-5-7YInterchangeable
Same NIIN cross-reference
interchangeable
HP5507-5-7Interchangeable
Same NIIN cross-reference
interchangeable
MB89-5-7Interchangeable
Same NIIN cross-reference
interchangeable
VS3038-5-7Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 11921-5-7?
11921-5-7 is a RING,RETAINING.
What parts can replace 11921-5-7?
There are 10 known substitutes for 11921-5-7: 119-2157, 70163, BM17019-5-7Y and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 11921-5-7?
11921-5-7 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-046-0512. This indicates validated use in U.S. government and defense supply chains.
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