PartsTable
Technical Data Sheet
PartsTable / MRO / 1178
1178 ✓ Verified by PartsTable
BOHLT · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Stranded for flexible routing, solid for conduit THHN/THWN dual-rated — check both tables
Ampacity depends on installation method
PRODUCT OVERVIEW

Seatpost compatible with the R200. Key specifications include material: STEEL CORROSION RESISTING BODY, hole_diameter: 6.9 MILLIMETERS NOMINAL6.9 MILLIMETERS NOMINAL MM, overall_height: 3.2 MILLIMETERS NOMINAL3.2 MILLIMETERS NOMINAL MM, outside_diameter: 15.9 MILLIMETERS NOMINAL15.9 MILLIMETERS NOMINAL MM, style_designator: CONCAVE, end_item_identification: 3930-01-599-99783930-01-599-9978. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-00-669-6642, 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→ 1178
NSN: 6145-00-669-6642
FSC: 6145
CAGE: U2888 — CELAB LTD (GBR)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING BODY
hole_diameter6.9 MILLIMETERS NOMINAL6.9 MILLIMETERS NOMINAL MM
overall_height3.2 MILLIMETERS NOMINAL3.2 MILLIMETERS NOMINAL MM
outside_diameter15.9 MILLIMETERS NOMINAL15.9 MILLIMETERS NOMINAL MM
style_designatorCONCAVE
end_item_identification3930-01-599-99783930-01-599-9978
part_name_assigned_by_controlling_agencyWSH,.270,.630,.125,WT SSWSH,.270,.630,.125,WT SS
NSN6145-00-669-6642
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: 1178 · BOHLT ⚠ VERIFY BEFORE ORDERING Ampacity depends on installation method — conduit ≠ free air ≠ underground. Same wire, different ratings. AWG sizing is inverse — smaller number = thicker wire (4 AWG > 12 AWG) ✓ BROKER TIP Stranded = flexible routing and vibration resistance. Solid = fixed conduit runs only. THHN/THWN = dual rated — check both dry and wet ampacity tables PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
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CONDUCTOR FORM: SOLID SINGLE CONDUCTOR
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MATERIAL: COPPER CORE CONDUCTOR SINGLE CONDUCTOR
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ROUND CONDUCTOR SIZE: 18 AWG SINGLE CONDUCTOR
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SURFACE TREATMENT: TIN CORE CONDUCTOR SINGLE CONDUCTOR
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SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM B33 ASSN STD SINGLE TREATMENT RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B33 ASSN STD SINGLE MATERIAL RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
CROSS SECTION OUTSIDE DIAMETER: 0.040 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CONDUCTOR FORMSOLID SINGLE CONDUCTOR
MATERIALCOPPER CORE CONDUCTOR SINGLE CONDUCTOR
ROUND CONDUCTOR SIZE18 AWG SINGLE CONDUCTOR
SURFACE TREATMENTTIN CORE CONDUCTOR SINGLE CONDUCTOR
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM B33 ASSN STD SINGLE TREATMENT RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B33 ASSN STD SINGLE MATERIAL RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
CROSS-SECTIONAL SHAPE STYLEROUND
CROSS SECTION OUTSIDE DIAMETER0.040 INCHES NOMINAL IN
CONDUCTOR FORMSOLID SINGLE CONDUCTOR
MATERIALCOPPER CORE CONDUCTOR SINGLE CONDUCTOR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
QQ-W-343Upgraded Successor
successor cross-reference
successor
QQW343C04B2TUpgraded Successor
successor cross-reference
successor
QQW343B1801TUpgraded Successor
successor cross-reference
successor
QQW343S01S1BUpgraded Successor
successor cross-reference
successor
QQ343C65A2BUpgraded Successor
successor cross-reference
successor
165 100 0812Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1178?
1178 is a INSULATION SLEEVING,ELECTRICAL manufactured by BOHLT. It is classified as a MRO (MRO_GENERAL).
What parts can replace 1178?
There are 20 known substitutes for 1178: QQ-W-343, QQW343C04B2T, QQW343B1801T and 17 more. Substitute compatibility should be verified for your specific system.
Is 1178 still available?
1178 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026