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Technical Data Sheet
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113972 — SCREW,MACHINE

✓ Government record, cited
Hama · BOLT SCREW
PRODUCT OVERVIEW

113972: SCREW,MACHINE.

- DCF radio clock with analogue hour/minute display - Silent clock mechanism - Fully automatic time setting and switch to summer/standard time - Alarm indicator - Snooze function - Backlight This part is cataloged in the U.S. Government catalog under NSN 5305-00-011-3975, 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
113972
NSN: 5305-00-011-3975
FSC: 5305 — Screws
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
head_styleROUND
head_height0.160 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.443 INCHES MINIMUM AND 0.472 INCHES MAXIMUM IN
thread_length0.500 INCHES NOMINAL IN
screw_materialCOPPER ALLOY
fastener_length0.500 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter0.250 INCHES IN
thread_quantity_per_inch20
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5305-00-011-3975
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 113972 · 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 HEIGHT: 0.160 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.500 INCHES NOMINAL IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-611A FED SPEC 1ST MATERIAL RESPONSE OR QQ-W-321B FED SPEC 2ND MATERIAL RESPONSE A
•
THREAD LENGTH: 0.500 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: ROUND
•
THREAD DIRECTION: RIGHT-HAND
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND 1S STYLE
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.160 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
FASTENER LENGTH0.500 INCHES NOMINAL IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-611A FED SPEC 1ST MATERIAL RESPONSE OR QQ-W-321B FED SPEC 2ND MATERIAL RESPONSE A
THREAD LENGTH0.500 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEROUND
THREAD DIRECTIONRIGHT-HAND
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 1S STYLE
SCREW MATERIALCOPPER ALLOY
INTERNAL DRIVE STYLESLOT
SUBSTITUTES & CROSS-REFERENCES 1
FFS92TYPE1STYLE1SReference document
Same NSN cross-reference
Reference document — Identification reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 113972?
113972 is a SCREW,MACHINE manufactured by Hama.
What parts can replace 113972?
There is 1 known substitute for 113972: FFS92TYPE1STYLE1S. Substitute compatibility should be verified for your specific system.
What is the NSN for 113972?
113972 is cataloged in the U.S. Government catalog under NSN 5305-00-011-3975. This indicates validated use in U.S. government and defense supply chains.
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