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91731A022 — INSERT,SCREW THREAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

91731A022: INSERT,SCREW THREAD.

The INSERT,SCREW THREAD is a the manufacturer industrial component. Key specifications include length: 0.625 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING OVERALL, thread_class: 2A A, style_designator: GROOVED KEYLOCK, thread_direction: RIGHT-HAND, nominal_thread_size: 0.750 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-607-2635, 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
91731A022
NSN: 5325-01-607-2635
FSC: 5325 — Fastening Devices
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
length0.625 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING OVERALL
thread_class2A A
style_designatorGROOVED KEYLOCK
thread_directionRIGHT-HAND
nominal_thread_size0.750 INCHES IN
thread_quantity_per_inch16
thread_series_designatorUNF
part_name_assigned_by_controlling_agencyTHICK WALL (HEAVY DUTY) KEY-LOCKING THREADED INSERT
NSN5325-01-607-2635
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 91731A022 · 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
•
LENGTH: 0.625 INCHES NOMINAL IN
•
STYLE DESIGNATOR: GROOVED KEYLOCK
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.750 INCHES IN
•
THREAD CLASS: 2A A
•
THREAD QUANTITY PER INCH: 16
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS
LENGTH0.625 INCHES NOMINAL IN
STYLE DESIGNATORGROOVED KEYLOCK
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.750 INCHES IN
PART NAME ASSIGNED BY CONTROLLING AGENCYTHICK WALL (HEAVY DUTY) KEY-LOCKING THREADED INSERT
THREAD CLASS2A A
THREAD QUANTITY PER INCH16
MATERIALSTEEL CORROSION RESISTING OVERALL
THREAD SERIES DESIGNATORUNF
OTHER ITEMS IN FSC 5325 — Fastening Devices
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5325-00-000-1884 5325-00-000-9988 5325-00-001-1567 5325-00-001-2043 5325-00-001-3842 5325-00-001-3858 5325-00-001-3871 5325-00-001-4317
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 91731A022?
91731A022 is a INSERT,SCREW THREAD.
What is the NSN for 91731A022?
91731A022 is cataloged in the U.S. Government catalog under NSN 5325-01-607-2635. 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.