121799 — VALVE,VENT

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

121799: VALVE,VENT.

The VALVE,VENT is a the manufacturer industrial component. Key specifications include part_name_assigned_by_controlling_agency: VALVE,CHECK,TANK VENT. This part is cataloged in the U.S.

Government catalog under NSN 5320-00-170-2993, 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

121799

NSN: 5320-00-170-2993
NIINs: 001702993, 004575058, 017112253
FSC: 5320 — Rivets
CAGE: Z4732 — HAULMARK TRAILERS (AUSTRALIA) PTY LTD (AUS)

SPECIFICATIONS

part_name_assigned_by_controlling_agency	VALVE,CHECK,TANK VENT
NSN	5320-00-170-2993

COMPONENT DIAGRAM

KEY FEATURES

•

SHANK DIAMETER: 0.124 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN

•

HEAD HEIGHT: 0.035 INCHES NOMINAL IN

•

FASTENER LENGTH: 0.596 INCHES MINIMUM AND 0.626 INCHES MAXIMUM IN

•

EXPANSION DEVICE: PLAIN STEM-TYPE T

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-Z-325 TY 2 CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-P-416 FED SPEC 2ND TREATMENT RESPONSE OR MIL-P-16232 TY Z CL 2 MIL SPEC 3RD TREATMENT RESPONSE OR MIL-P-16232 TY Z CL 4 MIL SPEC 3RD TREATMENT RESPONSE MANDREL

•

MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES BODY

TECHNICAL CHARACTERISTICS

SHANK DIAMETER	0.124 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN
HEAD HEIGHT	0.035 INCHES NOMINAL IN
FASTENER LENGTH	0.596 INCHES MINIMUM AND 0.626 INCHES MAXIMUM IN
EXPANSION DEVICE	PLAIN STEM-TYPE T
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-Z-325 TY 2 CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-P-416 FED SPEC 2ND TREATMENT RESPONSE OR MIL-P-16232 TY Z CL 2 MIL SPEC 3RD TREATMENT RESPONSE OR MIL-P-16232 TY Z CL 4 MIL SPEC 3RD TREATMENT RESPONSE MANDREL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-Z-325 TY 2 CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-P-416 FED SPEC 2ND TREATMENT RESPONSE OR MIL-P-16232 TY Z CL 2 MIL SPEC 3RD TREATMENT RESPONSE OR MIL-P-16232 TY Z CL 4 MIL SPEC 3RD TREATMENT RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD ALL MATERIAL RESPONSES BODY
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD ALL MATERIAL RESPONSES MANDREL
HEAD STYLE	UNIVERSAL
GRIP LENGTH	0.376 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN

SUBSTITUTES & CROSS-REFERENCES 8

SD48BSReference document

Same NSN cross-reference

Reference document — Secondary reference

SSP4-8Reference document

Same NSN cross-reference

Reference document — Secondary reference

640032907Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

97519A140Reference document

Same NSN cross-reference

Reference document — Secondary reference

MIL-R-24243/1Reference document

Same NSN cross-reference

Reference document — Identification reference

M24243/1-D408Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 121799?

121799 is a VALVE,VENT.

What parts can replace 121799?

There are 8 known substitutes for 121799: SD48BS, SSP4-8, 640032907 and 5 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 121799?

121799 is cataloged in the U.S. Government catalog under NSN 5320-00-170-2993. This indicates validated use in U.S. government and defense supply chains.

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