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2811181-1 — SCREW,EXTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

2811181-1: SCREW,EXTERNALLY RELIEVED BODY.

The SCREW,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include thread_length: 0.128 INCHES NOMINAL IN, special_features: MAKE FROM MS51957-18 EXTERNAL RELIEVED DIAMETER 0.078 FOR 0.375 IN IN, thread_direction: RIGHT-HAND, nominal_thread_diameter: 0.066 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-244-1739, 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
2811181-1
NSN: 5305-01-244-1739
FSC: 5305 — Screws
CAGE: 55972 — HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS (USA)
SPECIFICATIONS
thread_length0.128 INCHES NOMINAL IN
special_featuresMAKE FROM MS51957-18 EXTERNAL RELIEVED DIAMETER 0.078 FOR 0.375 IN IN
thread_directionRIGHT-HAND
nominal_thread_diameter0.066 INCHES IN
NSN5305-01-244-1739
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 2811181-1 · 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
•
THREAD LENGTH: 0.128 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.066 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
THREAD LENGTH0.128 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.066 INCHES IN
THREAD DIRECTIONRIGHT-HAND
SPECIAL FEATURESMAKE FROM MS51957-18 EXTERNAL RELIEVED DIAMETER 0.078 FOR 0.375 IN IN
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

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 2811181-1?
2811181-1 is a SCREW,EXTERNALLY RELIEVED BODY.
What is the NSN for 2811181-1?
2811181-1 is cataloged in the U.S. Government catalog under NSN 5305-01-244-1739. 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.