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91772A839 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

91772A839: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include thread_length: 1.500 INCHES NOMINAL IN, fastener_length: 2.250 INCHES NOMINAL IN, special_features: EA, thread_direction: RIGHT-HAND, end_item_identification: NHA: ERS ACTUATOR ASSEMBLY; WSD: AN/WLD-1 (V) REMOTE MINE HUNTING SYSTEM, nominal_thread_diameter: 0.373 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-556-0488, 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
91772A839
NSN: 5305-01-556-0488
FSC: 5305 — Screws
CAGE: 2V507 — MCMASTER-CARR SUPPLY COMPANY (USA)
SPECIFICATIONS
thread_length1.500 INCHES NOMINAL IN
fastener_length2.250 INCHES NOMINAL IN
special_featuresEA
thread_directionRIGHT-HAND
end_item_identificationNHA: ERS ACTUATOR ASSEMBLY; WSD: AN/WLD-1 (V) REMOTE MINE HUNTING SYSTEM
nominal_thread_diameter0.373 INCHES IN
minimum_tensile_strength80000 POUNDS PER SQUARE INCH LBS
thread_quantity_per_inch32
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
part_name_assigned_by_controlling_agencyPAN HEAD PHILLIPS MACHINE SCREW
NSN5305-01-556-0488
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 91772A839 · 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
•
FASTENER LENGTH: 2.250 INCHES NOMINAL IN
•
THREAD LENGTH: 1.500 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.373 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
MINIMUM TENSILE STRENGTH: 80000 POUNDS PER SQUARE INCH LBS
TECHNICAL CHARACTERISTICS
FASTENER LENGTH2.250 INCHES NOMINAL IN
THREAD LENGTH1.500 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.373 INCHES IN
THREAD DIRECTIONRIGHT-HAND
SPECIAL FEATURESEA
MINIMUM TENSILE STRENGTH80000 POUNDS PER SQUARE INCH LBS
PART NAME ASSIGNED BY CONTROLLING AGENCYPAN HEAD PHILLIPS MACHINE SCREW
END ITEM IDENTIFICATIONNHA: ERS ACTUATOR ASSEMBLY; WSD: AN/WLD-1 (V) REMOTE MINE HUNTING SYSTEM
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 91772A839?
91772A839 is a SCREW,MACHINE.
What is the NSN for 91772A839?
91772A839 is cataloged in the U.S. Government catalog under NSN 5305-01-556-0488. This indicates validated use in U.S. government and defense supply chains.
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