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NS199-5A9-5 — RECEPTACLE,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

NS199-5A9-5: RECEPTACLE,TURNLOCK FASTENER.

The RECEPTACLE,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include material: STEEL STUD, mounting_style: COUNTERSUNK, receptacle_width: 0.600 INCHES MAXIMUM IN, receptacle_height: 0.709 INCHES MAXIMUM IN, surface_treatment: CADMIUM RETAINER, stud_protrusion_length: 0.312 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-778-3372, 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
NS199-5A9-5
NSN: 5325-00-778-3372
FSC: 5325 — Fastening Devices
CAGE: 80539 — SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA (USA)
SPECIFICATIONS
materialSTEEL STUD
mounting_styleCOUNTERSUNK
receptacle_width0.600 INCHES MAXIMUM IN
receptacle_height0.709 INCHES MAXIMUM IN
surface_treatmentCADMIUM RETAINER
stud_protrusion_length0.312 INCHES NOMINAL IN
countersink_angle_in_deg100.0
receptacle_overall_length1.295 INCHES MAXIMUM IN
turnlock_receptacle_styleTWO LUG FLOATING
turnlock_mounting_hole_diameter0.375 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN
material_document_and_classificationAISI C1050 ASSN STD 1ST MATERIAL RESPONSE RETAINER
surface_treatment_document_and_classificationQQ-P-416,TYPE 2,CLASS 3 FED SPEC 3RD TREATMENT RESPONSE RECEPTACLE
NSN5325-00-778-3372
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: NS199-5A9-5 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
COUNTERSINK ANGLE IN DEG: 100.0
•
RECEPTACLE OVERALL LENGTH: 1.295 INCHES MAXIMUM IN
•
RECEPTACLE THREAD SIZE AND SERIES/TYPE DESIGNATOR: 0.250-28 UNF
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 1,CLASS 3 FED SPEC 2ND TREATMENT RESPONSE STUD
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES: 0.998 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
•
MOUNTING STYLE: COUNTERSUNK
TECHNICAL CHARACTERISTICS
COUNTERSINK ANGLE IN DEG100.0
RECEPTACLE OVERALL LENGTH1.295 INCHES MAXIMUM IN
RECEPTACLE THREAD SIZE AND SERIES/TYPE DESIGNATOR0.250-28 UNF
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 1,CLASS 3 FED SPEC 2ND TREATMENT RESPONSE STUD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 3 FED SPEC 1ST TREATMENT RESPONSE RETAINER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 3 FED SPEC 3RD TREATMENT RESPONSE RECEPTACLE
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES0.998 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
MOUNTING STYLECOUNTERSUNK
MATERIAL DOCUMENT AND CLASSIFICATIONAISI C1050 ASSN STD 1ST MATERIAL RESPONSE RETAINER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6322 FED STD 2ND MATERIAL RESPONSE STUD
OTHER ITEMS IN FSC 5325 — Fastening Devices
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5325-00-000-1884 5325-00-000-9988 5325-00-001-1567 5325-00-001-2043 5325-00-001-3842 5325-00-001-3858 5325-00-001-3871 5325-00-001-4317
SUBSTITUTES & CROSS-REFERENCES 4
1950-6-9-5Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
007783372Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
195011B-6-9-5Reference document
Same NSN cross-reference
Reference document — Secondary reference
10119164Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is NS199-5A9-5?
NS199-5A9-5 is a RECEPTACLE,TURNLOCK FASTENER.
What parts can replace NS199-5A9-5?
There are 4 known substitutes for NS199-5A9-5: 1950-6-9-5, 007783372, 195011B-6-9-5 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NS199-5A9-5?
NS199-5A9-5 is cataloged in the U.S. Government catalog under NSN 5325-00-778-3372. 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.