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8166511 — SHIELD ASSEMBLY,PROTECTIVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

8166511: SHIELD ASSEMBLY,PROTECTIVE.

The SHIELD ASSEMBLY,PROTECTIVE is a the manufacturer industrial component. Key specifications include special_features: FLAT METALLIC PLATE WITH 'U' NOTCH FOR BARREL AND 4 MOUNTING BOLT HOLES; BLACK OXIDE COATING, surface_treatment: OXIDE, end_item_identification: MK99,MOD1, part_name_assigned_by_controlling_agency: INAVY: SHIELD, MK99. This part is cataloged in the U.S.

Government catalog under NSN 4810-01-475-5742, 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
8166511
NSN: 4810-01-475-5742
NIINs: 014755742, 015463075
FSC: 4810 — Valves, Powered
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
special_featuresFLAT METALLIC PLATE WITH 'U' NOTCH FOR BARREL AND 4 MOUNTING BOLT HOLES; BLACK OXIDE COATING
surface_treatmentOXIDE
end_item_identificationMK99,MOD1
part_name_assigned_by_controlling_agencyINAVY: SHIELD, MK99
NSN4810-01-475-5742
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 8166511 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CONNECTION TYPE: FLANGE ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU
•
MEDIA FOR WHICH DESIGNED: AIR SINGLE RESPONSE
•
VALVE OPERATION METHOD: AIR
TECHNICAL CHARACTERISTICS
CONNECTION TYPEFLANGE ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
MEDIA FOR WHICH DESIGNEDAIR SINGLE RESPONSE
PART NAME ASSIGNED BY CONTROLLING AGENCYVALVE,HIGH STAGE BLEES AIR AUGMENTOR
END ITEM IDENTIFICATIONC-130J ENGINE BLEED AIR SYSTEM
VALVE OPERATION METHODAIR
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8166511?
8166511 is a SHIELD ASSEMBLY,PROTECTIVE.
What is the NSN for 8166511?
8166511 is cataloged in the U.S. Government catalog under NSN 4810-01-475-5742. 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.