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92A2-Z-173 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

92A2-Z-173: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OVERALL, head_style: HEXAGON, head_height: 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.457 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN, thread_length: 0.609 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-260-2612, 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
92A2-Z-173
NSN: 5305-01-260-2612
NIINs: 012602612, 012667311
FSC: 5305 — Screws
CAGE: 01026 — INGERSOLL-RAND CO STANDARD PUMP-ALDRICH DIV (USA)
SPECIFICATIONS
materialSTEEL COMP 316 OVERALL
head_styleHEXAGON
head_height0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.457 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
thread_length0.609 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
fastener_length0.720 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
width_across_flats0.250 INCHES NOMINAL IN
width_between_flats0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
internal_drive_styleHEXAGON
NSN5305-01-260-2612
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 92A2-Z-173 · 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
•
WIDTH ACROSS FLATS: 0.250 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.750 INCHES NOMINAL IN
•
THREAD LENGTH: 0.667 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
HEAD STYLE: FLAT CHAMFER
•
THREAD DIRECTION: RIGHT-HAND
•
INTERNAL DRIVE STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.250 INCHES NOMINAL IN
HEAD HEIGHT0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
FASTENER LENGTH0.750 INCHES NOMINAL IN
THREAD LENGTH0.667 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.312 INCHES IN
HEAD STYLEFLAT CHAMFER
THREAD DIRECTIONRIGHT-HAND
INTERNAL DRIVE STYLEHEXAGON
THREAD CLASS3A A
THREAD QUANTITY PER INCH24
SUBSTITUTES & CROSS-REFERENCES 3
92A2Z173316Reference document
Same NSN cross-reference
Reference document — Secondary reference
92A2Z173NReference document
Same NSN cross-reference
Reference document — Design control — primary reference
92A2Z173N316Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 92A2-Z-173?
92A2-Z-173 is a BOLT,MACHINE.
What parts can replace 92A2-Z-173?
There are 3 known substitutes for 92A2-Z-173: 92A2Z173316, 92A2Z173N, 92A2Z173N316. Substitute compatibility should be verified for your specific system.
What is the NSN for 92A2-Z-173?
92A2-Z-173 is cataloged in the U.S. Government catalog under NSN 5305-01-260-2612. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.