Schlueter fixed bale with OD shade no. 3 straps Schlueter production steel shell with fixed bales, OD #3 straps with brass hardware with raised bar buckle.
Schlueter fixed bale with OD shade no. 7 straps
Late production Schlueter fixed bale shell, OD #7 straps with blackened brass hardware and flat buckle
Schlueter fixed bale shells with OD shade no. 3 and OD shade no. 7 straps
OD shade no. 3 strap OD shade no. 7 strap
OD shade no. 3 strap OD shade no. 7 strap
Evolution of the chinstrap buckle Evolution of the chinstrap buckle (f.l.t.r.)
- Brass cast buckle (first used on the M-1917a1 helmet)
- Brass buckle with 'raised bars'
- Steel buckle with 'raised bars'
- Steel flat buckle
- Brass flat buckle
Steel buckel with 'raised bars'
Steel buckle with 'raised bars'.