ZZ-V-25E
June 23, 1982
SUPERSEDING
ZZ-V-25D
August 26, 1976
FEDERAL SPECIFICATION
VALVES Two VALVE SPUDS,
CAPS, AND CORES, PNEUMATIC TIRE
Thus Federal specification was approval by the General Services
Administration for the use of all Federal agencies
1.
SCOPE AND CLASSIFICATION
1.1 Scope. This specification covers valve assemblies, valve spuds, caps, cores, and grommets for use
with tubeless tires or inner tubes used on ground vehicles. Valve assemblies, heremafter referred to as
valves, include valve stems, caps, cores, spuds, rommets, bridge washers, and hex nuts, when applicable
(see 6.1).
1.2 Classification.
1.2.1 Types, classes, and styles. Valves, valve spuds, caps, and coma shall be of the foil.ckmq
types, classes, styles, and T&RA number (see 6.2) :
Type 1 - Valves, pneunatic tire, inner tube.
Class 1 - Air use, numbere-covered standard bore.
Style A - Straight (TR 1, TR 13, TR 15) .
Style B - Straight, hand-bendable (TR 87A, TR 135, TR 150) .
Style C - Straight (TR 300) .
class 2 - Air use, rubber base, bare metal stem, straight, standard bore.
Style A - with body threads (TR 70, TR 75A, TR 77A, TR 78A, TR 175A, TR 177A, and TR 179A) .
Style B - Without body threads (TR 460, TR 461, TR 462, TR 463, TR 464, and TR 465).
Class 3 - Air use, rubber base, straight, standard born.
Style A - Partially threaded stem (TR 87S, TR 87) .
Style E - Fully threaded stem (TR 4) .
Class 4 - Air use, rubber base, without body threads, bent 90", standard bore.
Style A - Bare metal stem (TR 87) .
Style B -Rubber up stem (TR 110 and TR 87A).
Class 5 - Air-water use, rubber-covered, with ident rings, straight, standard bore.
Style A - (TR 13CW, TR 15CW).
Style B - Hand-bendable (TR 150CW).
Class 6 - Air-water use, rubber base spud with TR CH3 core housing , standard bore (TR 218A,
TR 220A).
class 7 - Repair screw-on, standard bore, bent 86° (TR 1075A, TR 1076A, TR 1077A, TR 1078A,
TR 1175A, TR 1177A, TR 1179A) .
Type II - Valves, pneumatic, tire, tubeless.
Class 1 - Air-use, snap-in, standard bore (TR 412, TR 413, TR 414, TR 415, TR 418, TR 423, TR 425).
Classs 2 - Air-use, clamp-in, for drop-Center runs and side-of-well valve-hole location standard
bore, straigt (TR 416, TR 416S, TR 500, TR 501, TR 570, TR 571, TR 572, TR 573, TR 574,
TR 575) .
class 3 - Air- use, clamp-in, for sealed rims and center-of-base valve-hole location, standard km,
bent (TR 503A, TR 505A, TR 507A, TR 50BA, TR 509, TR 510, TR 511, TR 534).
Class 4 - Air use, clamp-in, bare metal stem with body threads (TR 430) .
Class 5 - Air-water use clamp-in, off-the-road, large bore, with removable valve stem, straight
(TR J670)
Class 6 - Air-water usc, clamp-in, off-the-road, large bore, bent (TR J650, TR J690).
class 7 - Air-water use, clamp- in, standard bore, straight (TR 618A).
Class 8 - Air-water use, clamp-in, of f-the-roac, standard bore, bent (TR 621A, TR 622A, TR 623A) .
FSC 2640
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