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Q5731-04-04 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

Q5731-04-04: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: HEXAGON, head_height: 0.049 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 0.170 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN, screw_material: STEEL COMP 302, fastener_length: 0.220 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-170-6141, 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
Q5731-04-04
NSN: 5305-01-170-6141
FSC: 5305 — Screws
CAGE: 35351 — GE AVIATION SYSTEMS LLC (USA)
SPECIFICATIONS
head_styleHEXAGON
head_height0.049 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
thread_class2A A
thread_length0.170 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
screw_materialSTEEL COMP 302
fastener_length0.220 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
width_between_flats0.181 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN
internal_drive_styleSLOT
nominal_thread_diameter0.112 INCHES IN
thread_quantity_per_inch40
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5305-01-170-6141
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: Q5731-04-04 · 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 HEIGHT: 0.049 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.220 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-7720,COND B FED SPEC SINGLE MATERIAL RESPONSE
•
THREAD LENGTH: 0.170 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.112 INCHES IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 0.181 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.049 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
FASTENER LENGTH0.220 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-7720,COND B FED SPEC SINGLE MATERIAL RESPONSE
THREAD LENGTH0.170 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.112 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.181 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN
SCREW MATERIALSTEEL COMP 302
INTERNAL DRIVE STYLESLOT
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 Q5731-04-04?
Q5731-04-04 is a SCREW,MACHINE.
What is the NSN for Q5731-04-04?
Q5731-04-04 is cataloged in the U.S. Government catalog under NSN 5305-01-170-6141. 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.