PartsTable
Technical Data Sheet
Download PDF

187689-1 — BUSHING,SPECIAL

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

187689-1: BUSHING,SPECIAL.

The BUSHING,SPECIAL is a the manufacturer industrial component. Key specifications include length: 0.953 INCHES NOMINAL IN, material: ALUMINUM ALLOY 2024 OVERALL, style_designator: INTERNALLY THREADED FULL LENGTH, surface_treatment: OXIDE FILM OVERALL, width_across_flats: 0.250 INCHES NOMINAL IN, cross-sectional_shape: HEXAGON. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-055-2209, 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→ 187689-1
NSN: 5340-01-055-2209
NIINs: 010552209, 012936385
FSC: 5340 — Hardware, Commercial
CAGE: 80249 — BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. (USA)
SPECIFICATIONS
length0.953 INCHES NOMINAL IN
materialALUMINUM ALLOY 2024 OVERALL
style_designatorINTERNALLY THREADED FULL LENGTH
surface_treatmentOXIDE FILM OVERALL
width_across_flats0.250 INCHES NOMINAL IN
cross-sectional_shapeHEXAGON
end_item_identificationAIRPORT SURVEILLANCE DETECTION EQUIPMENT 3
surface_treatment_document_and_classificationS282, CAGEC 80249 MFR REF SINGLE TREATMENT RESPONSE OVERALL
NSN5340-01-055-2209
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 187689-1 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
WIDTH ACROSS FLATS: 0.250 INCHES NOMINAL IN
•
LENGTH: 0.953 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: S282, CAGEC 80249 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
STYLE DESIGNATOR: INTERNALLY THREADED FULL LENGTH
•
CROSS-SECTIONAL SHAPE: HEXAGON
•
SURFACE TREATMENT: OXIDE FILM OVERALL
•
MATERIAL: ALUMINUM ALLOY 2024 OVERALL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.250 INCHES NOMINAL IN
LENGTH0.953 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONS282, CAGEC 80249 MFR REF SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATORINTERNALLY THREADED FULL LENGTH
CROSS-SECTIONAL SHAPEHEXAGON
SURFACE TREATMENTOXIDE FILM OVERALL
MATERIALALUMINUM ALLOY 2024 OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy 187689-1?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 187689-1?
187689-1 is a BUSHING,SPECIAL. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 187689-1?
187689-1 is cataloged in the U.S. Government catalog under NSN 5340-01-055-2209. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 187689-1

✓ 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.