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81701 — CHAIN ASSY

✓ Government record, cited
Zalman · ORING SEAL
PRODUCT OVERVIEW

81701: CHAIN ASSY.

- Does not generate noise or vibration in Silent Mode. - Pure Copper base material ensures excellent heat dissipation. - Fan installed in the heatsink(FHS) cools not only the VGA chipset and VGA RAM, but all other VGA components as well.

- Silent Mode and Normal Mode selection provided to accommodate the user's environment and preference. This part is cataloged in the U.S. Government catalog under NSN 5340-00-905-2444, 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
81701
NSN: 5340-00-905-2444
NIINs: 009052444, 011962954
FSC: 5340 — Hardware, Commercial
CAGE: 81982 — HYDRO-AIRE AEROSPACE CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 440A OR STEEL COMP 440B OR STEEL COMP 440C OR STEEL COMP 440F OR STEEL COMP 440FSE A
overall_height1.228 INCHES NOMINAL IN
flange_diameter2.275 INCHES NOMINAL IN
flange_thickness0.125 INCHES NOMINAL IN
special_features4 HOLES EQUALLY SPACED ON BODY OF RETAINER 0.093 IN. DIA OF HOLES,0.630 IN. DIM. FROM END OF RETAINER TO CENTER OF HOLE IN
style_designatorPARALLEL
surface_treatmentPASSIVATE
body_inside_diameter1.310 INCHES NOMINAL IN
fsc_application_dataMANIFOLD ASSY,HYDRAULIC SYSTEM,AIRCRAFT
body_outside_diameter1.510 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
outside_chamfer_angle_in_deg45.0
NSN5340-00-905-2444
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 81701 MFR: Zalman ⚠ 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
•
FLANGE DIAMETER: 2.275 INCHES NOMINAL IN
•
FSC APPLICATION DATA: MANIFOLD ASSY,HYDRAULIC SYSTEM,AIRCRAFT
•
FLANGE THICKNESS: 0.125 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 1.510 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PARALLEL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763, CLASS 440 FED SPEC SINGLE MATERIAL RESPONSE
•
BODY INSIDE DIAMETER: 1.310 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE DIAMETER2.275 INCHES NOMINAL IN
OVERALL HEIGHT1.228 INCHES NOMINAL IN
FSC APPLICATION DATAMANIFOLD ASSY,HYDRAULIC SYSTEM,AIRCRAFT
FLANGE THICKNESS0.125 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER1.510 INCHES NOMINAL IN
STYLE DESIGNATORPARALLEL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763, CLASS 440 FED SPEC SINGLE MATERIAL RESPONSE
BODY INSIDE DIAMETER1.310 INCHES NOMINAL IN
OUTSIDE CHAMFER ANGLE IN DEG45.0
CASEHARDENING INDICATORNOT CASEHARDENED
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 81701?
81701 is a CHAIN ASSY manufactured by Zalman.
What is the NSN for 81701?
81701 is cataloged in the U.S. Government catalog under NSN 5340-00-905-2444. This indicates validated use in U.S. government and defense supply chains.
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