PartsTable
Technical Data Sheet
177588 ✓ Verified by PartsTable
Hama · 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 BOLT,INTERNALLY RELIEVED BODY is a Hama industrial component. Key specifications include material: STEEL COMP 632, usage_design: EXTERNAL, inside_diameter: 0.204 INCHES MINIMUM AND 0.208 INCHES MAXIMUM IN, major_thickness: 0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN, surface_treatment: PASSIVATE, casehardening_indicator: NOT CASEHARDENED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-109-3317, 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
177588
NSN: 5306-00-109-3317
FSC: 5306
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 632
ring_styleE
usage_designEXTERNAL
inside_diameter0.204 INCHES MINIMUM AND 0.208 INCHES MAXIMUM IN
major_thickness0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
surface_treatmentPASSIVATE
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating63.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 69.5 ROCKWELL SUPERFICIAL 30-N MAXIMUM
cross-sectional_shape_styleRECTANGULAR
nondefinitive_spec/std_data1 TYPE AND 5 CLASS
material_document_and_classificationAMS 5520 ASSN STD SINGLE MATERIAL RESPONSE
NSN5306-00-109-3317
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 177588 · Hama ⚠ 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: HEXAGON
THREAD SERIES: UNF CONCENTRIC HOLE
THREAD SERIES DESIGNATOR: UNF
NOMINAL THREAD DIAMETER: 0.875 INCHES IN
NOMINAL THREAD SIZE: 0.625 INCHES CONCENTRIC HOLE IN
HEAD DIAMETER: 1.312 INCHES NOMINAL IN
THREAD LENGTH: 1.160 INCHES MINIMUM IN
STYLE DESIGNATOR: CONCENTRIC HOLE THREADED
TECHNICAL CHARACTERISTICS (FLIS)
HEAD STYLEHEXAGON
THREAD SERIESUNF CONCENTRIC HOLE
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.875 INCHES IN
NOMINAL THREAD SIZE0.625 INCHES CONCENTRIC HOLE IN
HEAD DIAMETER1.312 INCHES NOMINAL IN
THREAD LENGTH1.160 INCHES MINIMUM IN
STYLE DESIGNATORCONCENTRIC HOLE THREADED
THREAD QUANTITY PER INCH14
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
1000-25-SS2Interchangeable
interchangeable cross-reference
interchangeable
5325PL1205030Interchangeable
interchangeable cross-reference
interchangeable
5325PL2001857Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 177588?
177588 is a BOLT,INTERNALLY RELIEVED BODY manufactured by Hama.
What parts can replace 177588?
There are 3 known substitutes for 177588: 1000-25-SS2, 5325PL1205030, 5325PL2001857. Substitute compatibility should be verified for your specific system.
What is the NSN for 177588?
177588 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-109-3317. This indicates validated use in U.S. government and defense supply chains.
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