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12548816 — SCREW,EXTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

12548816: SCREW,EXTERNALLY RELIEVED BODY.

The SCREW,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: DOUBLE HEXAGON EXTENDED WASHER, head_height: 13.710 MILLIMETERS NOMINAL MM, thread_length: 11.320 MILLIMETERS NOMINAL MM, fastener_length: 27.580 MILLIMETERS NOMINAL MM, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-327-4528, 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
12548816
NSN: 5305-01-327-4528
FSC: 5305 — Screws
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleDOUBLE HEXAGON EXTENDED WASHER
head_height13.710 MILLIMETERS NOMINAL MM
thread_length11.320 MILLIMETERS NOMINAL MM
fastener_length27.580 MILLIMETERS NOMINAL MM
thread_directionRIGHT-HAND
width_across_flats15.870 MILLIMETERS NOMINAL MM
width_between_flats17.860 MILLIMETERS NOMINAL MM
internal_drive_styleDOUBLE HEXAGON
end_item_identification2350-01-087-1095,M1A1
nominal_thread_diameter10.0 MILLIMETERS MM
extended_washer_diameter24.130 MILLIMETERS NOMINAL MM
NSN5305-01-327-4528
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12548816 · 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
•
EXTENDED WASHER THICKNESS: 2.490 MILLIMETERS NOMINAL MM
•
WIDTH ACROSS FLATS: 15.870 MILLIMETERS NOMINAL MM
•
HEAD HEIGHT: 13.710 MILLIMETERS NOMINAL MM
•
EXTERNAL THREAD TOLERANCE CLASS: 4G6G
•
FASTENER LENGTH: 27.580 MILLIMETERS NOMINAL MM
•
EXTENDED WASHER DIAMETER: 24.130 MILLIMETERS NOMINAL MM
•
THREAD PITCH IN MILLIMETERS: 1.250
•
THREAD LENGTH: 11.320 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS2.490 MILLIMETERS NOMINAL MM
WIDTH ACROSS FLATS15.870 MILLIMETERS NOMINAL MM
HEAD HEIGHT13.710 MILLIMETERS NOMINAL MM
EXTERNAL THREAD TOLERANCE CLASS4G6G
FASTENER LENGTH27.580 MILLIMETERS NOMINAL MM
EXTENDED WASHER DIAMETER24.130 MILLIMETERS NOMINAL MM
THREAD PITCH IN MILLIMETERS1.250
THREAD LENGTH11.320 MILLIMETERS NOMINAL MM
FIRST DIAMETER FROM HEAD8.55 MILLIMETERS NOMINAL MM
NOMINAL THREAD DIAMETER10.0 MILLIMETERS MM
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
SUBSTITUTES & CROSS-REFERENCES 1
5305013274528Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12548816?
12548816 is a SCREW,EXTERNALLY RELIEVED BODY.
What parts can replace 12548816?
There is 1 known substitute for 12548816: 5305013274528. Substitute compatibility should be verified for your specific system.
What is the NSN for 12548816?
12548816 is cataloged in the U.S. Government catalog under NSN 5305-01-327-4528. This indicates validated use in U.S. government and defense supply chains.
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