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91-18-11 — 91-18-11

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

91-18-11: 91-18-11.

The 91-18-11 is a the manufacturer industrial component. Key specifications include head_style: BUTTON, head_height: 0.097 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.326 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN, thread_length: 1.750 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN, screw_material: STEEL. This part is cataloged in the U.S.

Government catalog under NSN 5999-00-136-8446, 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
MRO→ MRO_GENERAL→ 91-18-11
NSN: 5999-00-136-8446
NIINs: 001368446, 002324757, 010054011
FSC: 5999 — Miscellaneous Electrical and Electronic Components
CAGE: 54X10 — RAYTHEON COMPANY (USA)
SPECIFICATIONS
head_styleBUTTON
head_height0.097 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.326 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
thread_length1.750 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN
screw_materialSTEEL
fastener_length6.125 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter0.164 INCHES IN
screw_surface_treatmentCADMIUM AND CHROMATE
thread_quantity_per_inch32
NSN5999-00-136-8446
COMPONENT DIAGRAM
CONN A SFF-8482 CONN B SFF-8087 LENGTH: SAS CABLE ASSEMBLY | SFF-8482 to SFF-8087 Cable length: | SAS | Shielded TITLE CABLE ASSY PN 91-18-11 MFR 91-18-11
KEY FEATURES
•
MOUNTING FACILITY TYPE AND QUANTITY: 1 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
•
OVERALL DIAMETER: 0.500 INCHES NOMINAL IN
•
UNTHREADED MOUNTING HOLE DIAMETER: 0.318 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY TYPE AND QUANTITY1 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
OVERALL DIAMETER0.500 INCHES NOMINAL IN
UNTHREADED MOUNTING HOLE DIAMETER0.318 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
OVERALL LENGTH0.250 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 3
78951Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
8509773Reference document
Same NSN cross-reference
Reference document — Secondary reference
2201Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 91-18-11?
91-18-11 is a 91-18-11. It is classified as a MRO (MRO_GENERAL).
What parts can replace 91-18-11?
There are 3 known substitutes for 91-18-11: 78951, 8509773, 2201. Substitute compatibility should be verified for your specific system.
What is the NSN for 91-18-11?
91-18-11 is cataloged in the U.S. Government catalog under NSN 5999-00-136-8446. 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.