PartsTable
Technical Data Sheet
Download PDF

987644 — BOOT,DUST AND MOISTURE SEAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

987644: BOOT,DUST AND MOISTURE SEAL.

The BOOT,DUST AND MOISTURE SEAL is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYURETHANE BODY, body_height: 2.979 INCHES NOMINAL IN, overall_height: 3.310 INCHES NOMINAL IN, style_designator: THRU-HOLE, EXPANDABLE, material_thickness: 0.060 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN, base_outside_diameter: 2.080 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-071-9545, 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
987644
NSN: 5340-01-071-9545
FSC: 5340 — Hardware, Commercial
CAGE: 09036 — SONFARREL INC. (USA)
SPECIFICATIONS
materialPLASTIC POLYURETHANE BODY
body_height2.979 INCHES NOMINAL IN
overall_height3.310 INCHES NOMINAL IN
style_designatorTHRU-HOLE, EXPANDABLE
material_thickness0.060 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
base_outside_diameter2.080 INCHES NOMINAL IN
body_outside_diameter2.620 INCHES NOMINAL IN
end_item_identificationW/S:HELICOPTER, IROQUOIS UH-1; HELICOPTER, ELECTRONIC COUNTERMEASURES, EH-60A; HELICOPTER, BLACK HAWK UH-60A A
opening_inside_diameter1.750 INCHES NOMINAL IN
material_document_and_classificationMIL-P-26514 MIL SPEC SINGLE MATERIAL RESPONSE BODY
NSN5340-01-071-9545
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 987644 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
•
OPENING INSIDE DIAMETER: 1.750 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 2.620 INCHES NOMINAL IN
•
BODY HEIGHT: 2.979 INCHES NOMINAL IN
•
STYLE DESIGNATOR: THRU-HOLE, EXPANDABLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-P-26514 MIL SPEC SINGLE MATERIAL RESPONSE BODY
•
MATERIAL THICKNESS: 0.060 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
•
BASE OUTSIDE DIAMETER: 2.080 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT3.310 INCHES NOMINAL IN
OPENING INSIDE DIAMETER1.750 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER2.620 INCHES NOMINAL IN
BODY HEIGHT2.979 INCHES NOMINAL IN
STYLE DESIGNATORTHRU-HOLE, EXPANDABLE
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-P-26514 MIL SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL THICKNESS0.060 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
BASE OUTSIDE DIAMETER2.080 INCHES NOMINAL IN
END ITEM IDENTIFICATIONW/S:HELICOPTER, IROQUOIS UH-1; HELICOPTER, ELECTRONIC COUNTERMEASURES, EH-60A; HELICOPTER, BLACK HAWK UH-60A A
MATERIALPLASTIC POLYURETHANE BODY
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 1
42277E194Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
Ready to buy 987644?
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 987644?
987644 is a BOOT,DUST AND MOISTURE SEAL.
What parts can replace 987644?
There is 1 known substitute for 987644: 42277E194. Substitute compatibility should be verified for your specific system.
What is the NSN for 987644?
987644 is cataloged in the U.S. Government catalog under NSN 5340-01-071-9545. 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 — 987644